Did AI stick a fork in 8K televisions?

The American dream of sitting home all day in means-tested public housing while enjoying streaming programs on a beautiful OLED TV seems to be dying due to our evil AI overlords. Televisions are becoming MORE expensive, not less, because AI is buying all the processors, memory, and fab capacity. (See “TVs are finally being hit hard by the AI-fueled memory crisis: for the first time, the cost of the processors is higher than the display panels in some models”, October 2, 2026.)

Movies are still being made primarily in 2K Digital Intermediate because Hollywood can’t afford the memory and processing power to do editing and effects at 4K. Our brothers and sisters in Japan introduced practical 8K devices about 12 years ago (Wokipedia). I would have expected 8K televisions for desktop monitor use and for living room use by now.

Should we just give up on ever having an 8K television at consumer prices? I know that the theory is we can’t use that much resolution with current sizes and viewing distances, but I don’t believe it. There are a lot of situations where one can walk right up to a TV and inspect detail, e.g., if it is displaying a document. Maybe it isn’t necessary for enjoying a movie mastered in 2K, but there are lots of ways that a big screen can be used other than for watching a movie. Family photo collage, for example. One of our neighbors recently got a 100″ TV at Costco and there is nothing in front of it. If the machine were 8K, he could put an entire vacation’s worth of photos on the screen at once and people could walk up to the TV if interested. (I don’t like how it looks in his house, incidentally, when it isn’t on. It is a truly massive black hole in the wall. If I can take over from Donald Trump as dictator, I will order TV companies to put in all kinds of great features for what the TV can/should do when nobody is watching TV.)

Separately, who has bought a TV roughly 85″ in size lately? We have a low-end 86″ LG that we got for $900 at Costco in 2022. It was a floor model and came with a 5-year warranty. I wanted to see if something that huge was actually what we wanted. Should we splurge on an 83″ OLED? We never watch when the room is brightly lit (sometimes in the afternoon because of passionate NFL fans, but windows can be shaded). Or are the vastly-cheaper LCD TVs nearly as good? One of my big dreams, as noted above, is convenient software for running a slide show when the TV isn’t being used for TV (we might actually watch 10 hours per week).

Gemini on why we could never have a $900 OLED TV this size, even without AI as our enemy (not in quote style):

The reason OLED TVs max out at 83 inches instead of the standard 85 inches comes down to the fascinating—and ruthless—math of how panels are manufactured in factories.

Every OLED TV starts its life as part of a massive, garage-door-sized sheet of glass called “Mother Glass.” Most OLED factories use what is called a “Gen 8.5” size sheet. Manufacturers need to cut this mother glass into TV-sized rectangles with as little wasted glass as possible, much like cutting cookies from rolled-out dough.

Engineers figured out a highly efficient cutting layout (called Multi-Model Glass production) that perfectly fits two 83-inch panels and two 48-inch panels onto a single Gen 8.5 sheet with almost zero waste. If they bumped the size up to 85 inches, the 48-inch panels would no longer fit. They would have to throw away a massive amount of unused, highly expensive mother glass, which would make the 85-inch TVs prohibitively expensive.

Manufacturing an OLED panel requires depositing ultra-thin organic materials with near-perfect precision in a vacuum. It is a highly volatile process. A single microscopic dust particle or moisture drop can ruin an entire panel. If a tiny defect happens on a 55-inch panel, they throw away a 55-inch panel. If it happens on an 83-inch panel, they have to throw away a massive piece of inventory. The cost of all the ruined large panels gets baked directly into the retail price of the ones that survive the factory.

Standard LCD panels are completely commoditized; there are dozens of massive factories in China and Taiwan churning them out, driving prices into the floor. Large-scale OLED TV panels, however, are incredibly difficult to make and are almost exclusively manufactured by just two companies on earth: LG Display and Samsung Display. Without a flood of cheap, third-party competition, there is no pressure to slash prices.

OLEDs will likely always carry a premium simply because the organic technology fundamentally resists the kind of dirt-cheap mass commoditization that makes 85-inch LCDs so affordable today.


CES 2012:

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Elon Musk has made all of the world’s yachts more valuable

Last month, I attended a birthday party for a yacht broker. His co-workers said that business was booming for all sizes of boats (though maybe they don’t deal with anything smaller than 35′? 70-125′ seems to be their bread and butter). “In the old days we could have just closed the office in August, but the phone never stops ringing.” What’s changed? “Boat buyers are richer and younger,” was the answer. “They’re taking much longer trips and want bigger more capable boats for those trips. Starlink has been the catalyst. It makes a tremendous difference, especially, for the crew, and has made people more willing to work the longer voyages. The owners can still work, no matter how long the trip.” How does Starlink compare to the previous generation of satellite-based Internet for yachts? “It’s 100 times faster,” a broker said, “a total game-changer for both speed and reliability.”

Speaking of reliability, it seems that the mid-priced yachts ($10-25 million) either have two independent Starlink subscriptions and receivers or, in some cases, two antennae and a single receiver that is smart about which one to use (“diversity is our strength” in the RF world). “You need the second antenna,” the brokers explained, “because sometimes the line of sight to the satellite is block by a mast.”

What I can’t figure out is where these additional/bigger yachts are parking. The world was already short of slips before the cash showers of government coronapanic programs and, more recently, AI. “They keep building marinas here in South Florida,” said a broker.

Its infrastructure fund went from owning zero marinas in 2024 to roughly 200 marinas today — more than anyone in the world.

The company paid $5.6 billion in early 2025 for Safe Harbor, which at the time owned and operated 138 marinas in the United States and Puerto Rico, including dozens of marinas from Maryland to Maine as well as the Caribbean’s largest in Fajardo, P.R. It also runs nine marinas on the Mediterranean, catering to large yachts in places like St. Tropez, Antibes and Monaco.

What’s going on locally? An $80 million revamp of a marina just south of Abacoa:

The facility will feature two five-story indoor storage buildings with 427 enclosed dry storage slips and 20 wet slips.

Someone with $80 million to invest didn’t get the climate change memo? The buildings are designed to handle 180 mph hurricane winds (the last hurricane to make landfall in Palm Beach County in a “major” category (= 3) was in 1949). But they’ll be worthless if sea level rise happens as promised by the Climate Doomers.

How much does a true “yacht” cost an Nvidia receptionist? A Turkish-built 125′ Hargrave, which ChatGPT says is mid-market at this size, is advertised at $24.5 million. Westport is a “step up”. For the programmer who has been at Nvidia 10 years, “Feadship / Lürssen / Oceanco / Royal Huisman: an entirely different stratum—bespoke, extremely expensive, and usually much larger, though some of these yards historically built yachts around this size.”

Related:

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Life with X Money (do you get wiped out when the world wakes up to Starship being a total failure?)

At the risk of being tarred with the “Elon Fanboy” brush, I’ve moved some cash into X Money, thus bumping the yield from 3.75% (a UBS money market) to the nice round number of 6% (for those who either make regular deposits (e.g., payroll direct deposit) or who sign up to X’s premium offering, which I did to get the Edit button (never fully delivered, incidentally; it works for original posts, but not for replies)).

Scientific American interviewed experts and learned that Starship, financially glommed together with X money, will never reach orbit as a practical vehicle. The world’s smartest and most productive people live in New York City and they also figured out that Starship can’t work. New York magazine (“Intelligence” is literally part of the name, which tells you how much more intelligent these journalists are than the readers outside of NYC):

Starship is “destined for the scrap heap” according to one of the brightest engineering minds in the Islamic Republic of the UK:

What happens when #Science catches up to Elon and SpaceX? Will they run off with this money to cover their losses from Starship? Not so fast. The money lives at one or more FDIC-insured conventional banks. (If you invest more than $250,000, which is still the limit for deposits despite the raging inflation that the government says we haven’t experienced, X Money spreads the money automatically across multiple banks. The $250k limit was established temporarily during the Collapse of 2008 and then Milton Friedman (“Nothing is so permanent as a temporary government program.”) was proven correct in July 2010.)

It took only a few minutes to transfer some funds from Bank of America via the Plaid service that X Money uses to connect bank accounts. It’s a little unnerving that Plaid asks for permission to see one’s monthly statements, but I assume that everyone in China and Russia has already read these so I agreed.

There has been a political and media campaign to discredit X Money by pointing out that the main bank underlying the service, Cross River Bank, was hassled by the Federales. Example:

[Native American Elizabeth] Warren, the top Democrat on the Senate Banking, Housing, and Urban Affairs Committee, wants to know exactly when Musk plans to offer the digital tool, what banking services it will provide and whether it will issue a stablecoin. She also pushed him to divulge whether he plans to work with the fintech Cross River Bank in offering the X Money services, which she noted was the subject of a Federal Deposit Insurance Corp. enforcement action in 2023 for “unsafe and unsound practices related to fair lending.”

“Unsafe and unsound” is unnerving, to say the least! Did Cross River Bank lend to people who are less creditworthy than Bank of America, for example? ChatGPT says that the FDIC went after Cross River Bank because of the potential for the opposite behavior, i.e., restricting borrowing to those whom studies have shown are less likely to default.

The 2023 case is the one producing most of the scary current headlines about “unsafe or unsound banking practices.” It arose from a 2021 FDIC examination and concerned Cross River’s large business of originating loans through fintech partners. The FDIC said Cross River had inadequate internal controls, information systems and credit-underwriting practices for monitoring compliance with fair-lending laws, including the Equal Credit Opportunity Act and Truth in Lending Act. Cross River consented to the order without admitting or denying the allegations.

But there’s an important distinction: the public 2023 order does not say that Cross River was undercapitalized, short of liquidity, mishandling deposits, or likely to fail. Nor did that order impose a monetary penalty. The concern was that Cross River’s controls weren’t adequate to demonstrate that the enormous volume of lending done through outside fintech companies was complying with fair-lending and consumer-credit rules. The order actually required Cross River to investigate whether particular lending disparities amounted to discriminatory practices and whether remediation was warranted, rather than publicly declaring that a particular class of borrowers had already been proven to have been discriminated against.

Prompt: “What would happen if a bank doesn’t comply with fair lending? Who wouldn’t get a loan?”

In the simplest case, someone who is otherwise similarly qualified could be denied a loan—or charged more—because of a legally protected characteristic rather than because of credit risk. Under the federal Equal Credit Opportunity Act, the protected characteristics include race, color, religion, national origin, sex, marital status, age, receipt of public-assistance income, and exercising certain consumer-credit rights. Lenders can still use ordinary underwriting variables such as income, debt, credit history and collateral.

Would a bank have any rational basis for trying not to lend to the Somalis who built Boston and Minneapolis, for example?

In U.S. mortgage data, white borrowers have historically had lower delinquency/default rates than Black borrowers on average. For example, a Federal Reserve analysis of conventional first-lien home-purchase mortgages originated in 2006 found that 24.8% of Black borrowers versus 6.4% of non-Hispanic white borrowers became 60+ days delinquent within two years. Even within credit-score bands, Black borrowers had higher delinquency rates in that particular cohort; after adjusting for HMDA variables and Equifax risk score, the Black–white gap was still about 8 percentage points.

On the broader principle, though: if a prohibited characteristic such as race carries residual predictive information about default even after all the lender’s permitted variables are considered, then fair-lending law does constrain a lender from using every statistically predictive variable available. Regulation B currently says a creditor may not discriminate on a prohibited basis in any aspect of a credit transaction, including the criteria used to evaluate creditworthiness. … What they cannot do is add something like “Black borrower: +40 basis points” even if historical data showed that race improved default prediction at the margin. Consumer Financial Protection Bureau

A U.S. study using the Panel Study of Income Dynamics found that immigrants who had been in the U.S. for 10–20 years had higher mortgage-delinquency rates than otherwise similar native-born households after controlling for observed characteristics

So the headline “risk” identified by Elizabeth Warren and others was actually that Cross River Bank might not be lending enough money to people who are more likely to default. This is “unsafe and unsound”, just like it would be “unsafe and unsound” for an individual to refuse to lend to an unemployed relative.

X Money offers a debit card that sounds like it takes all of the fees that merchants pay, and some additional, and hands it back to you.

What’s an example of “up to 3%”? 0% is the fine print example, apparently. Gemini:

Peer-to-peer transfers, wire transfers, and betting/gambling. In updated terms, standard high-cost categories like utilities, wholesale clubs (such as Costco), rent/tax payments, jewelry, and university tuition have been nerfed and no longer qualify for the 3% return. On these purchases, you will earn 0%.

Complete list at https://money.x.com/en/i/cashback-rewards-terms

Another reason to be less excited about a debit card, I think, is that consumer protections are weaker, e.g., if you’re overcharged by a merchant or a merchant sells you something that is defective and won’t take it back.

I can’t keep track of the plastic cards that I already have, so I’m saying “no” so far to the debit card. I moved funds into the 6% account on September 21, 2026 and X Money shows that it is still there despite the failed launch of 52 tons of Starlink V3 satellites into orbit by Starship on September 28.

Loosely related… (SpaceX and money)

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MIT technology fails spectacularly for grid-scale batteries

Our house is close to the headquarters of NextEra, which has a market cap of around $166 billion and is the parent company of Florida Power & Light. We ran into one of their employees at a restaurant whose job is buying grid-scale batteries to sit next to the company’s grid-scale solar farms. “This will power your data centers,” she explained. (I loved hearing this because it gave me an opening to point out that “No data center is illegal on stolen land.”)

I asked her if the MIT geniuses who revolutionized the grid-scale battery world about 20 years ago, according to the MIT geniuses, had an impact on her job. “No,” she explained. “Those technologies are always 10 years in the future. Utilities buy LFP and NMC batteries. The Chinese are unbeatable.” The same batteries that go into electric cars, such as those made by Head Nazi Elon Musk?!?! Yes, it turns out.

What’s an example of the liquid battery hype? Here’s one from Barack Obama’s Department of Energy, March 2016… “New Chemistries Found for Liquid Batteries: Grid-scale approach to rechargeable power storage gets new arsenal of possible materials”:

Liquid metal batteries, invented by MIT professor Donald Sadoway and his students a decade ago, are a promising candidate for making renewable energy more practical. The batteries, which can store large amounts of energy and thus even out the ups and downs of power production and power use, are in the process of being commercialized by a Cambridge-based startup company, Ambri.

Now, Sadoway and his team have found yet another set of chemical constituents that could make the technology even more practical and affordable, and open up a whole family of potential variations that could make use of local resources.

“This paper brings together innovative engineering advances in cell design and component materials within a strategic framework of ‘cost-based discovery’ that is amenable to the massive scale-up required of grid-scale applications,” says Richard Alkire, a professor of Chemical and Biomolecular Engineering at the University of Illinois, who was not involved in this research.

What does ChatGPT have to say? In a time-honored MIT pattern, the nerds achieved their goal of creating a better widget than whatever was on the market at the time they started talking about how much better their innovation was. And, in time-honored fashion, the comparative dullards improved whatever was on the market by a factor of 10X by the time that the MIT tech finally limped its way into a commercialized version. Excerpts from the full Q&A:

The research actually began around 2005, so “20 years ago” is about right, although that particular DOE release is from March 2016. MIT spun the technology out in 2010 as Ambri, backed by Bill Gates, Khosla Ventures, Total and eventually Reliance.

(Is it possible that Bill Gates will get ahead of divorce plaintiff MacKenzie Scott Bezos in terms of spending tens of $billions on nonprofit activities without leaving any trace of positive impact on humanity? Compare to Stephen Ross. For a tiny fraction of what Bill Gates has spent on becoming a Davos Idol Do-Gooder (over $110 billion in cumulative distributions; maybe that’s $200 billion in post-Biden dollars?), Ross has completely transformed the city of West Palm Beach (nytimes). Ross perhaps will end up having donated about $1 billion, but most of the money he’s “spent” is really an investment that should yield a decent return unless the Climate Doomers are correct about South Florida being washed away. ChatGPT on whether Gates can compete with MacKenzie the divorcée for incinerating cash in an ash-free manner: “$111 billion already spent is an astonishing amount of money, and there isn’t an obvious list of, say, ten Gates-created breakthroughs commensurate with that sum.” The giant artificial brain struggles mightily to find anything the Gates Foundation has done that might have a lasting impact.)

The basic idea was elegant: instead of solid electrodes that crack, swell and chemically deteriorate, use three molten layers that naturally separate by density—a light metal electrode, molten-salt electrolyte, and heavy metal electrode. The commercial version ultimately used calcium and antimony, with a calcium-chloride electrolyte. Because everything remains liquid while operating, the electrochemically active surfaces effectively recreate themselves each cycle. Ambri claimed >20-year life with very little degradation and no lithium-ion-style thermal-runaway fire problem.

First, going from a battery that works to a battery that can be manufactured cheaply by the million is extraordinarily difficult. The high-temperature seal is a perfect illustration. In the lab, having molten calcium/salt/antimony sitting at hundreds of degrees is manageable. For a utility battery expected to operate unattended for 20 years, every seal, feedthrough, weld, heater, electrical connection and insulation system has to survive thousands of thermal and electrical cycles. Ambri eventually solved enough of these problems to certify a ~1-kWh cell, but it consumed years.

Second—and probably even more important—the economic target moved spectacularly while Ambri was developing its technology. In 2010, when Ambri was founded, lithium-ion battery packs cost more than $1,200/kWh. By 2021 they were about $132/kWh; by 2024 about $115/kWh, and in 2025 about $108/kWh on BloombergNEF’s global average measure.

That’s a roughly 91% cost collapse during Ambri’s life.

Was it overhyped?

But there is a lesson in the old press coverage. MIT’s 2015 article said Ambri had built its manufacturing plant and made production sound almost trivial—“just add the electrode metals plus the electrolyte salt to a steel container and heat the can.” It then said the company was dealing with “one final engineering challenge”, the seal.

Nine years after that article, Ambri was bankrupt without a mass-production factory.

The coronapanic enthusiasts at IEEE sung Ambri’s praises in 2023, about 8 months before the company filed for Chapter 11 bankruptcy protection:

Ambri’s grid battery costs $180/kWh to $250/kWh depending on size and duration, the company says. But its projected cost is about $21/kWh by 2030

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Why haven’t name-brand hybrid e-bikes gotten dramatically lighter?

Summer is here for most of those who escaped the New England lockdowns during coronapanic. Average Nashville high temp for May is 79 degrees (unlike Maskachusetts, Tennessee has no state income tax and no estate (death) tax; state tax competitiveness index).

Many moons ago, I wrote about a 2013 Trek e-bike that weighed 52 lbs.: Trek T80+ Electric Bike Review. The ungainly unbalanced rear hub motor beast has a 250W motor and a 250 Wh battery. I bought it as an experiment and figured that if I loved e-biking I would treat myself to a fancier mid-drive one when the Trek died. Here we are 11 years after the closeout purchase and the Trek has not died. It’s on its second chain and has needed a new rear tire, but otherwise just works. The range is more than adequate for running errands around Jupiter and bike theft is a minimal issue (if the Florida police do catch a bike thief do they say “Where did you think you were, San Francisco?”; I sometimes use the built-in wheel lock if leaving the bike for an hour or two). The ancient Trek has the “torque sensor” that is advertised as a selling feature in 2026 by e-bike vendors, though the company (BionX, in the Islamic Republic of Canada) that made the electric gear went belly-up in 2018.

I’d love to buy a new e-bike if I could find the same comfortable geometry and the same motor/battery power at 33 lbs. Is that possible? (TL;DR: nobody has ever managed to make mid-drive light; mid-drive was the Holy Grail 10+ years ago, but it might be an emperor with no clothes except for climbing steep hills (certainly the old Trek’s hub motor was fine for climbing hills in Eastern MA)) For reference, let’s have a look at the upright riding position of the ancient Trek:

How much progress has there been in this industry? The closest Trek current bike that I can find to the T80+ is the Verve+, starting at $2,000. The versions that are the most popular would weigh about 65 lbs. in a larger frame size.

The cheapest lightest version of this bike has the same motor/battery specs as my “survivor”. It is spec’d at about 42 lbs., but that’s for the M size and mine is an XL so let’s say that it would be 44 lbs. in L or XL. That’s not a negligible reduction, but the T80+ was literally thrown together and it is way off my 33 lb. spec.

What if we spent $6,749 on a Cannondale FlyingV (plus a $15 E-bike Battery Recycling fee?!?). The web page includes the word “weight” in numerous places to crow about how light the bike is due to its carbon fiber construction. The one spec they left out, though… the weight. It’s got 600 watts of motor power for people who want to kill themselves at 28 mph and 400 Wh of battery. An independent review says it weighs 40 lbs and it doesn’t have the suspension seatpost of the old Trek T80+. The review makes it sound uncomfortable as well: “The riding position aboard the FlyingV is balanced, fairly upright but with a sporty edge. The stance suits the bike’s character to a tee. If you want to fly, you’ll need to be at least a little fit and flexible – this isn’t your living room sofa on two wheels.”

Maybe the answer is a comfortable upright bike has to be super heavy? Giant’s $700-900 “city” bikes weigh 25-30 lbs., a fair amount more than a $1,000 non-electric road bike at 20 lbs. (examples). When road bikes are electrified they don’t get that much heavier. Here’s a road bike with the same 250W/250Wh spec as the old T80+. The Ride1Up weighs 28 lbs., presumably in a medium size, and costs $2200 (almost the same as the $2100 2013 price of the T80+, which is $3000 today if adjusted for the inflation that the government tells us does not exist). The same company makes a more upright city-style bike that costs $1400 and porks out to 40 lbs. with a 360 Wh battery. What if you spend $7000 on a carbon fiber hybrid from Specialized, the Turbo Vado SL 2 6.0 EQ Carbon? It weighs… 40.5 lbs. and has 520 Wh of power.

How are consumers getting these monster bikes onto roof racks or even into the backs of their monster SUVs when it is time to take the bike in for service? It seems as though the bikes that are actually selling in quantity weigh 50 lbs. or more. A review of what Bicycling says is the sweet spot e-bike, the Aventon Level 3, doesn’t even mention weight. Nor is the weight found on the page that sells the bike. Gemini says the beast weighs 67 lbs. and “The [733 Wh] battery is removable, allowing you to reduce the total weight to roughly 58 lbs for easier transport.”

Did everyone get rid of their roof racks and replace them with hitch racks, some of which can hold bikes up to 80 lbs.? Save the planet by attaching it to a Tesla Y’s receiver hitch, but leave half the e-biking family at home because it says “designed to support vertical loads of up to 160 pounds”? The two-bike hitch racks empty can weigh over 50 lbs.; the four-bike ones weigh over 70 lbs.!); maybe better to buy a cheaper one from Torklift that can handle more weight (the same company sells a Toyota Sienna receiver hitch that can handle 700 lbs. of tongue weight, which might translate to 350 lbs. of e-bikes). If you search for “bent receiver hitch with bike rack” the Google returns stories from people who bent the hitch or, worse, the frame of their vehicle, by loading up bikes.

Circling back to my original question… why no 33 lb. comfy hybrid e-bikes given all of the progress that has been made in materials? ChatGPT says a 250 Wh battery weighs only 3-4 lbs. ChatGPT says that the killer is the motor: “A 250W mid-drive (bottom bracket) motor system typically adds ~6–10 lbs (2.7–4.5 kg) compared to a normal bottom bracket. … Ultra-light e-bikes (like Fiido Air) avoid mid-drives. They use small rear hub motors instead. That saves ~5–8 lbs immediately.” (apparently the feel and balance of the mid-drive is worth the extra weight for most consumers, but the “sweet spot” is “Lightweight hub motor + torque sensor”) ChatGPT says that 67 percent of e-bikes globally are sold with hub motors, not the mid-drives that I thought were going to dominate the industry. In Europe and for premium bikes, though, mid-drives are dominant. The mid-drives up wearing out the drivetrain, though, so the super heavy bike has to get loaded into the car for the trip to the bike shop more frequently… (see above)

ChatGPT says that Fazua, a Bavarian company founded in 2013 and now owned by Porsche, is the leader in making a lightweight mid-drive system. Their completed city bikes, however, weigh at least 40 lbs. Internet reviews of Fazua’s reliability are mixed, to say the least, compared to the standard Bosch. ChatGPT: “In general, Hub motors are more reliable than mid-drives”. So maybe the answer is that I can have a better balanced bike if the battery is moved to the downtube, but the architecture of the motor in the rear wheel needs to be retained in order to avoid what ChatGPT claims is a 5-8 lb. weight hit and a lifetime of additional maintenance.

Let’s close with a bike that isn’t exactly “name-brand” (Giant, Trek, et al.), but that does seem to have the architecture that ChatGPT recommends… Urtopia Carbon 1 Pro (about $2100 as of a couple months ago). It seems to have a similar geometry to the $6,749 (plus $15 recycling/virtue fee) Cannondale, above. It lacks the suspension seat post of the old Trek, but maybe the flexible carbon frame absorbs shock reasonably well. Instead of cutting the promised-by-ChatGPT 5-8 lbs. by switching to a hub motor, the practical weight savings is only 3 lbs. (37 lbs. vs. 40). This one might be worth a test-ride (the company has dealers).

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Artemis II launch experience

I went to the Kennedy Space Center Visitor Complex yesterday to watch at least $2.5 billion of our tax dollars getting incinerated via the Artemis II mission. The best graphic that I’ve found to explain this somehow comes from Al-Jazeera:

My journey began with a flight (2005 Cirrus SR20 with no A/C) from our South Florida redoubt to KTIX. The sole FBO was slammed so they established a piston ghetto parking area on the east side of the field and deputized flight school employees to park the planes that weren’t worth dealing with. Here’s the Cirrus row:

I arrived around noon and my Enterprise rental car wasn’t there. “They had to deliver 300 cars to NASA,” explained the FBO gal. Eventually a 19-year-old flight instructor gave me and two other Cirrus pilots rides to the downtown Titusville Enterprise office. The 19-year-old had gone straight from high school to flight school and, now in possession of all her ratings, was working as a CFI rather than paying $400,000 to listen to PhD mediocrities (being a Florida, she could presumably have gone to college essentially for free via Bright Futures, but her flying career would have been delayed by four years; she can get an online bachelor’s degree if she ever needs one). I then stopped at Publix to pick up sandwiches and returned to the airport to pick up a friend in his ghetto-adjacent Piper Malibu JetPROP. My friend, an AI-coding entrepreneur, had found unauthorized resale tickets on Reddit for Kennedy Space Center viewing at $155 each ($99 face value; to have gotten our own tickets we would have had to notice an email sent from the KSC that Gmail maps into Promotions and then purchased the $99 or the $250 “feel the heat” ticket within the first few seconds (“feel the heat” is viewing from the Saturn V building, just 4 miles from the pad; the main KSC has a much larger capacity and is 8 miles away)). He brought along a guy who has some connection to a commercial space company. Let’s call him “Space Friend”. At the “real FBO” we met a father-daughter pair who’d just stepped out of their personal Challenger (“I work in finance” said the dad, when Space Friend asked). They had arranged a car service to take them to a public park, but Friend had two extra tickets so we invited them to jump into the Enterprise minivan with us and go to the KSC.

[AI for Cool Kids Tip: Claude Code for initial development. Codex for finding bugs.]

Combining the delays of getting the Enterprise car, Space Friend fighting through Miami traffic to reach KFXE, and Friend+Space Friend having to sit on the ground at KFXE waiting their turn to take off (45 minutes due to heavy flight school volume), we ended up on the road at about 3:15 pm, a mistake of monumental proportions. There was a security check to get onto the NASA Causeway and we were also asked if we had tickets, but didn’t have to show them. Somehow this caused an epic traffic jam despite the fact that the security check for us took about 15 seconds (everyone trusts minivan owners!). We arrived at the Kennedy Space Center Visitor complex around 5:30 pm (i.e., 2+ hours for what is normally a 15-minute drive). The parking lot attendant asked us to show a phone screen of our ticket, but didn’t scan it. There were some people watching the launch from the parking lot (pretty much the same view/sound as inside) so I wondered if they had pictures of someone else’s ticket or perhaps they had the $99 tickets and didn’t like crowds.

It’s a shame that we didn’t bring Mindy the Crippler because we were greeted by a bunny near the entrance:

Our sketchy Reddit tickets actually did scan, so we were able to enter and find a golden retriever:

Also the Artemis backup team:

The bleachers and prime viewing areas near big-screen TVs were packed, but nearby areas almost as good weren’t crowded:

The weather was perfect:

The launch itself was loud, but not to the point that it would have been nice to have earplugs.

We had binoculars, but it was uncomfortable to look at the vehicle with them because the rocket exhaust is so bright. I didn’t make a video because I believe in “f/8 and be there” (i.e., the cameras set up by NASA and affiliates close to the pad are going to “be there” and do a much better job).

The trip back to the airport took about 45 minutes through some traffic.

I flew the Cirrus back to her Stuart, Florida home, about 35 minutes under a full moon. Orlando Approach refused to provide “flight following” (formerly there was a big push to call this “VFR Advisories”, but that seems to have died along with “Notice to Air Missions” as a replacement for “Notice to Airmen”) due to “staffing”. Florida is bursting at the seams!

Was it worth a whole day for a 4-minute launch experience? Sure. I was glad that I was there for a Florida community experience. Although we weren’t there for long, we chatted with people who’d been there for hours in folding chairs and who were extremely passionate about space flight, e.g., a family from Melbourne, Florida whose kids are techies in Atlanta and have come home for every Artemis attempt. It would have been a lot less traffic and more fun to enter the KSC at around noon and spend the day waiting with the crowd. If you just want to experience the sound and fury of a rocket launch, though, it would be just as good to get a “feel the heat” ticket to watch a SpaceX Falcon 9 launch (much less likely to scrub) from the Saturn V building. It’s a smaller rocket, but being only half the distance away means the visceral effect is as large or larger.

Let’s hope the Artemis mission is a success. If it is, though, we’ll be forced to conclude that it is easier to send an Astronaut of Color, an Astronaut of Femaleness, and an Astronaut of Canadianness (another victimhood category?) to the moon than it is to deport Kilmar Abrego Garcia, Mahmoud Khalil, or most other migrants.

(Given SpaceX Starship, what is the point of the SLS and Artemis, you might ask? A friend at NASA Goddard: “It’s a jobs program so that NASA didn’t have to fire the people who worked on the Shuttle.” In his view, all of the SLS/Artemis goals could be accomplished at a much lower cost by SpaceX. Keep in mind that Science NASA is jammed with haters of the manned space program!)

Related:

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Book about the Edmund Fitzgerald

It’s Friday the 13th, a notorious day for bad luck. Speaking of bad luck, let’s look at the 29 men who died on the Edmund Fitzgerald on November 10, 1975. They’re the subject of an interesting new book: Gales of November by John Bacon. Not exactly a spoiler: everyone dies, just as Gordon Lightfoot explained in his enduring hit song (from the book I learned that Lightfoot was an experienced recreational Great Lakes sailor).

Some things that I didn’t know:

  • it was the last trip of what was going to be the retirement year for the captain and many of his long-time partners amongst the crew
  • the captain was considered the best on the Great Lakes and had 45 years of experience
  • the weather was a 50-year event, perhaps, and not merely an ordinary “gale of November”

Perspective on the suffering of Jeffrey Epstein’s victims

Since almost everything in the news these days must be referenced to the Epstein Files…

The sinking was preventable, as we’ll see below, and quite a few mistakes were made.

Columbia offered some of the families the victims’ last paycheck ($568.25 for a deckhand) and $750 for the victim’s lost personal effects, an amount determined by their labor contract, but other families didn’t receive even those checks. When Columbia offered nothing else, the families had little recourse but to file wrongful death lawsuits, for which Columbia paid whatever the families’ individual attorneys could negotiate. Some families received about $35,000, or a little more than a year’s wages for a deckhand making overtime, and others marginally more.

The typical woman who alleged that she suffered by receiving cash, Gulfstream rides, free rent in Manhattan, luxury vacations, etc., in exchange for sex 10, 20, or 30 years earlier, was paid about $3.5 million from Epstein’s estate, a JP Morgan settlement fund, and a Deutsche Bank settlement fund. That’s 100X what an Edmund Fitzgerald crewmember’s survivors were paid. Thus, we can conclude that having sex on Jeffrey Epstein’s island was 100X worse than riding through 30-50′ waves for hours and ultimately being drowned in 42-degree water.

The bargain all the crewmen on the Fitzgerald had signed up for was a hard one, but straightforward: The work will be taxing, and you will miss most of your family’s best moments, but you will retire relatively young, with a good pension and nothing to do but hunt, fish, and play cards, pool, and golf. Best of all, you’ll have plenty of time and energy to spend with your grandchildren. The Fitzgerald’s twenty-nine crewmen and their families had all paid their deposits up front, but never got to enjoy the sweet side of the deal.

The Special Hazards of the Great Lakes

The Great Lakes can be more treacherous than the oceans. One reason is the distinct structure and frequency of the Great Lakes’ freshwater waves. In the oceans, salt weighs down the water, squashing the waves and spreading them out, so they typically form larger but smoother swells, similar to a roller coaster. On the Great Lakes there’s no salt to hold down the waves, so they rise more sharply and travel closer together, like jagged mountains of water coming at you in rapid succession. These waves don’t roll; they peak, crest, then crash down on whatever is unlucky enough to lie below them.

That’s another reason why Great Lakes waves are so steep and ragged and travel so fast. On the ocean the waves are usually about ten to sixteen seconds apart, so even a large container ship can fit between them. On Lake Superior the waves run four to eight seconds apart, which means that a seven-hundred-foot lake freighter can be riding atop two waves at once.

That problem produces more problems. On the Great Lakes a ship that long can impale its bow in one wave, which can lift it up thirty feet or more, while the ship’s stern can be simultaneously stuck in the wave coming right behind it, raising the ship’s back end in the air another thirty feet. That leaves its midsection, which could be loaded with 58 million pounds of iron ore—the equivalent of 4,200 adult elephants—suspended between the two waves, with nothing supporting it. That creates a phenomenon naval architects call “sagging,” in which the unsupported middle of the ship sags toward the water below it, exerting a tremendous strain on the hull.

After sagging between two waves, just seconds later the ship might face another threat: riding over the peak of a single colossal wave. This creates a condition known as “hogging,” the opposite of sagging, where the vessel drapes over the wave’s crest, with both the bow and stern drooping downward, again placing immense pressure on the center of the ship’s hull.

[Michigan Tech’s Guy] Meadows’s research shows that Lake Superior’s biggest storms occur every thirty years or so, but even in milder storms the waves on the Great Lakes can be alarming. In a pretty unremarkable 2020 storm, for example, two of their buoys anchored off Lake Superior’s southern shore, far from the path of Superior’s biggest waves, measured waves reaching 28.5 feet, almost as high as a three-story building.

If the biggest waves within a few minutes are at 30′, according to Guy Meadows, and they stay there for 24 hours, a ship should experience at least one 60′ wave (1 in 10,000).

Another bad feature of the Great Lakes is that it is easier for freshwater to freeze above the waterline on a ship than it is for saltwater to freeze, thus adding weight to a ship that is already in peril. A typical modern iron boat’s cargo of taconite also creates a hazard:

Because it’s two-thirds clay, a porous material, it can absorb up to 7 percent of its weight in water, and four times that can get trapped between the pellets when it’s piled high.

(i.e., the cargo hold can hold a lot of water weight that isn’t possible to pump out; separately, if you thought that math professors were useless, the book notes that U. Minnesota math prof Edward W. Davis is the person who figured out how to work with taconite, a low-grade iron ore)

Overloading as a Factor

Prior to the wreck of the Fitz, Great Lakes captains prided themselves on moving maximum tonnage per trip and per season. Everyone loaded up the ships to the painted Plimsoll line at which point the freeboard is the minimum required for safety. The Fitz was operated with far less freeboard than her original designers had intended:

Given how such incredibly small margins on the Plimsoll line could produce such prodigious gains, especially when multiplied by forty to fifty round trips each shipping season, the executives at Columbia Transportation must have been thrilled when the American Bureau of Shipping (ABS), working with the Coast Guard, reduced everyone’s required freeboard in 1969, and again in 1971, and again in 1973. For the Fitzgerald, that meant the original requirement of 14 feet, 9.25 inches of freeboard when sailing in November had been reduced to 11 feet, 6 inches—a total drop of 39.25 inches, or more than a yard, in just a few years.

Captains would then use various techniques to add a few inches of cargo beyond even this reduced freeboard, described in a chapter titled “Cheating the Plimsoll Line”.

The Edmund Fitzgerald was loaded to the absolute maximum, and a little beyond, on what was supposed to be her last voyage of the season:

The loading speed was all the more impressive because the dockworkers had filled the Fitzgerald’s belly with 26,112 long tons of taconite—far from the staggering amounts the new thousand—footers were carrying, but a fitting finale to McSorley’s celebrated career. The load that day was almost 4,000 long tons more than the 22,509 the Fitzgerald needed to set the Great Lakes record on its very first run just seventeen years earlier, a testament to the extra 39.25 inches the Coast Guard had allowed the Fitzgerald to sink in the water since 1973—plus the crew’s ability to cheat a few more inches on the Plimsoll line. This was such a common practice it would have been more remarkable if the crew had not cheated on the Plimsoll Line. Even the crew’s families knew about it. “They were overweight because they wanted to break their own record,” says Blaine Wilhelm’s daughter, Heidi Brabon. “So they cheated.” But what was unusual, according to former Fitzgerald deckhand Terry Sullivan, was that she was carrying a full load so late in the season, when even the USCG rules start scaling back the limits. While the Fitzgerald might not have been cheating by much, on the grand scale, when you combine those extra inches, plus the 39.25 inches the Coast Guard had already granted the Fitzgerald two years earlier, and the fact that all ships were supposed to scale back their loads for the rougher fall weather, any reasonable analysis can draw only one conclusion: The Fitzgerald had loaded thousands of tons more than what her architects had designed her to carry.

Primitive weather forecasts and distributions of forecasts

One of the blessings of the semiconductor revolution kicked off by William Shockley and carried forward by Jack Kilby is that computers have gotten vastly more powerful, thus enabling weather forecasts to become more reliable even without any advances in our understanding of meteorology. The National Weather Service was consistently late and consistently underestimating the strength of the storm that would sink the Fitz.

That afternoon [Sunday, November 9, 1975] the National Weather Service had posted a “gale warning,” a level of caution the NWS had created after the 1913 Storm of the Century showed it needed intermediary warnings, not just hurricane alerts. A gale warning predicts winds blowing thirty-nine to fifty-four miles per hour. But the NWS projected the wind would barely reach the gale range, which meant about forty miles per hour.

By 7 p.m. the National Weather Service noticed the storm system that started out of California had reached Iowa, and was gaining speed. It issued a gale warning for all of Lake Superior, correcting its earlier prediction that the storm would slip just below the big lake. Now, the NWS meteorologists said, the storm would cut diagonally across Lake Superior, producing waves from five to ten feet. That might not sound like much, but because the Fitzgerald had only 11.5 feet of freeboard, ten-foot waves wouldn’t give the ship much margin for error.

Late Sunday night the National Weather Service revised its forecast again, now predicting that waves Monday morning would reach ten to fifteen feet high. At 2 a.m. the NWS escalated its gale warning to a storm warning, reserved for winds expected to reach fifty-five to seventy-three miles per hour—strong enough to tear off roofs, uproot large trees, and knock over people attempting to walk outside. But the reality on the water was already starting to outpace the NWS’s forecasts. Winds on Lake Superior had already surged past fifty-eight miles per hour, and were still accelerating. The storm was gaining power like a boulder thundering down a steep hill.

[at 4 pm on Monday, November 10] Captain Cooper, now running an hour behind the Fitzgerald, later reported waves “up to twenty-five feet” when the Anderson neared Caribou Island. Since the Fitzgerald was now about twenty-five miles and an hour and forty minutes beyond the coordinates whence the Anderson had made that report—that much closer to the safety of Whitefish Bay, but also the storm’s epicenter—the waves the Fitzgerald was now experiencing were probably worse than the twenty-five-footers the Anderson had reported. Because the Fitzgerald had only 11.5 feet of freeboard, and probably less by the hour due to its compounding problems, those waves would be more than enough to wash green water—entire waves, not just the spray—over the Fitzgerald’s deck.

The Fitz sank at about 7:10 pm.

Get-there-itis

Some captains put in at Thunder Bay after realizing that the storm was

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Shout-out to our brothers, sisters, and binary-resisters in Minneapolis

Some gratitude to the good people of Minneapolis. The city’s martyrs of ICE resistance, such as Alex Pretti and Renée Good, are apparently forgotten because Donald Trump briefly posted part of a “king of the jungle” video (apparently suppressed by the righteous who run YouTube, but available from the haters at X). Front page of the NYT today condemning Trump for his racism; nothing anywhere on the front page about Minneapolis, as if the sacrifices were for nothing:

I will celebrate Minneapolis, therefore, with a shout-out to SANUS, headquartered in suburban Minneapolis (a 3-minute drive from the Al-Amaan mosque). Mere hours before we were to our Super Bowl extravaganza guests are arriving, our four-year-old $900 Costco 86″ TV wouldn’t turn on. Thanks to the Sanus BLT3-B1 “tilt 4D” mount, however, I was able to pull the recalcitrant machine from the wall and use my Ph.D. in EECS skills to unplug it and plug it back in. The kids are watching the Puppy Bowl and, if the Costco gods are with us, the party will proceed as planned.

I suppose that we also have to celebrate our brothers and sisters in China (not too many binary-resisters there) for actually making the Sanus BLT3-B1 so that it cost $100 instead of $300.

(I do wish that ICE would detain and deport whoever made the Xfinity XG1v4 box, which I picked up because of its advertised 4K capability. It needs to be power-cycled almost every time that we want to use it and the boot-up process is almost 10 minutes.)

Let this be a cautionary tale for anyone who is considering a super-slim wall-hugging TV mount that requires professional skills and multiple humans to execute a dismount and reach-around. (I guess we could have accomplished the power-cycle via flipping breakers. I’ve never seen a behind-the-TV outlet that is associated with a convenient switch that could be used for a convenient power-cycle.)

Finally, maybe this is the time to start an extended warranty claim on the TV? It was a floor model at Costco and they threw in a five-year warranty from Allstate. The warranty was already used once to replace the TV’s main board, possibly a casualty of a lightning storm putting high voltage into the Xfinity cable (another good reason to go with a fiber connection if you’re lucky enough to live in a place where fiber is available).

Loosely related

From the masjid around the corner from Sanus, a Facebook post from one month after the Gazans’ peaceful October 7, 2023 excursion into Israel:

Allah is the All-Mighty, the Most Merciful, the One Who has the absolute ability to save the oppressed, inflict punishment on the criminals and stop the brutal massacre and genocide happening in Gaza.

It’s a challenging theological question. Allah is “All-Mighty, the Most Merciful” and with “the absolute ability to save the oppressed” (redundant with “All-Mighty”?). Yet the genocide happening in Gaza wasn’t stopped until the Gazans had suffered the loss of most of their military capability. Why did Allah wait two more years and, perhaps more importantly, not assist the Gazans in realizing their military goals, including the destruction of the Zionist entity and the establishment of Hamas rule from the river to the sea?

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Greta Thunberg tennis court (solar panel sunshade)

Happy National Cut Your Energy Costs Day to those who celebrate.

An idea for how to be simultaneously more virtuous and comfortable: a Greta Thunberg-branded tennis court shade. ChatGPT says that some fabric shades have already been made and they should be about 45′ high to avoid interference with lobs (50-65′ at the pro level). ChatGPT says that it would be stupid expensive to engineer this in rigid solar panels, especially if there is a need for the structure to survive a hurricane, but on the other hand we’re told that the only way to save Planet Earth from going Full Venus is to do stupid expensive stuff. Florida’s Broward County (home to FLL) has covered two basketball courts with solar:

They say that what was, very likely, an eye-watering outlay of tax dollars is “a visible reminder of how sustainable infrastructure investments can benefit both people and the planet while saving on energy costs.” (If there truly were net savings on energy costs wouldn’t we see these all over Florida, Arizona, Nevada, etc., and not just in this one park?)

If there is a big influx of tax base thanks to Zohran Mamdani, I’d love to see more of this in Palm Beach County. ChatGPT says that it could conceivably work for pickleball (required height only 18-22′).

Separately, some folks are working on tennis coach robots, e.g., ACEMATE and Tenniix:

ChatGPT’s explanation of why a tennis Greta Thunberg-brand shade can’t be affordably engineering to Miami-Dade hurricane standards:

Why it’s hard (and what makes it “expensive hard”)

1) Wind uplift loads get huge, and PV is a rigid “wing”

ASCE 7 treats canopies/roofs with net uplift pressure coefficients (negative pressures trying to peel the roof off). Canopies got more explicit treatment in ASCE 7-16 and later. Structure Magazine+1

For a big, flat-ish PV canopy:

  • Uplift (psf) scales roughly with V2V^2V2.
  • Going from 120 mph to 170 mph isn’t “+40%”—it’s closer to (170/120)² ≈ 2.0× the pressure.

Fabric shades can “spill” wind; PV cannot. The PV roof transfers that uplift straight into:

  • purlins/joists
  • primary girders
  • columns
  • foundations (uplift + overturning)

2) Height required for tennis multiplies overturning

Tennis-friendly clearance is typically ~40–50+ ft so you don’t ruin lobs/serve sightlines. That height makes the wind problem worse because:

  • the structure “lever arm” increases → bigger overturning moments
  • columns behave like tall masts, not “carport posts”

A PV canopy that might be straightforward at 12–16 ft (parking) becomes much heavier at 45–55 ft.

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Occupancy sensor-based per-room water shutoff?

Loyal readers may recall the failure of our Moen Flo whole-house water shutoff system to detect a drip. How about a more granular approach?

Have a flow sensor and shut-off valve for every room in the house in which there is plumbing, e.g., kitchen, laundry, bathrooms.

Put an occupancy sensor in each of the above rooms and, for the washing machine, a current sensor at the plug to tell if the machine is on. (Alternatively, use the network of cameras that a home should have for assisting with misplaced objects.)

Now the system doesn’t have to be that smart. If there is a sudden water draw from a bathroom that isn’t occupied then shut off the water to that bathroom. Have an override switch by the main light switch, of course, in case AI isn’t as smart as imagined.

How could one do occupancy sensing without either a massive privacy issue or an uglification of the house? Here’s an outlet that combines app-switchable power, night light, CO2 and VOC measurement, temp and humidity sensor, and occupancy sensing (via radar):

(Legal to install in a bathroom or kitchen counter, I think, if there is a GFCI circuit breaker.)

What’s the obvious flaw in this plan? Given that insurance companies will give a discount for the Moen Flo, which will allow at least hundreds of gallons of water to trash a house before it does any shutting off, I would think that insurance discounts over the years would more than pay for all of the tech. I guess there is an ongoing maintenance hassle, especially if flow is measured via impellers. Still, when you consider the $200,000+ cost of cleaning up after a flood, I think it is worth it.

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