Todd Murray MD
1.5K posts

Todd Murray MD
@mod_todd
Emergency Physician, father/husband, Tesla enthusiast/investor, obsessive Neapolitan pizza maker, swimmer, aspiring bassist, Brown and Columbia graduate
Massachusetts, USA Entrou em Temmuz 2012
453 Seguindo338 Seguidores
Todd Murray MD retweetou
Todd Murray MD retweetou

@AIDRIVR That’s happened to me as well! Last night FSD was making a left turn at a yellow light and stopped- there was a pickup truck coming that I hadn’t seen because of the confluence of headlights and FSD saw it when I might have gone.
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@mod_todd True. However, every house could have that virtual view.
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The End of Economics?
Elon’s point about the dollar becoming obsolete at 100TW of compute per year stems from the idea that inflation is a ratio of the money supply to the output of goods and services.
If AI and robotics (Optimus) increase global productivity by 100x or 1,000x, the "purchasing power" of a single unit of work becomes so high that prices for basic goods effectively drop to zero.
In this scenario, value likely settles on the inputs required to create that abundance. If you have the energy (terawatts) and the compute (chips), you have the wealth. The "currency" becomes the ability to command those physical resources directly, rather than using a mid-layer fiat currency that is being hyper-inflated by governments trying to keep pace with the growth.
We are moving toward what has been described as a Universal High Income society. If saving for retirement - a concept built on the premise of storing "labor value" for a time when you can no longer work - becomes irrelevant because the cost of living is negligible, the entire financial services industry undergoes a "Year Zero" event.
The transition from a system of "work to live" to "think to have" changes the definition of capital itself. Wealth won't be measured by how many dollars are in a bank, but by how many compute cycles or kilowatt-hours one can deploy to manifest their intent.
Elon Musk@elonmusk
@aaronburnett 100TW of compute per year would be 200 times the US economy EVERY YEAR. Dollars won’t even be used if we get to that point.
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@second_bassoon @kezababbie They don’t use lead anymore. I still have a pencil “tattoo” in my right hand from being poked with a pencil playing basketball nearly 50 years ago (the other kid had a pencil in his jeans pocket).
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@kezababbie I once extracted a bit of pencil lead from my foot in this exact same manner.
I have no idea how long it was there. My skin had grown around it.
I just hope I hadn’t been slowly poisoning myself. 😭😭
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Todd Murray MD retweetou

Aujourd'hui grosse discussion avec mes ingés (chez Argil) sur pourquoi Elon a viré le LIDAR de ses voitures autonomes. Choix radical, moqué pendant des années, et comme d'hab il avait raison depuis le début.
Le LIDAR c'est un laser qui balaye l'environnement et crache un nuage de points 3D. Sur le papier tu obtiens la géométrie exacte du monde. Dans la vraie vie c'est une verrue technologique collée sur le toit parce qu'on sait pas faire mieux avec la vision seule.
Problème numéro un : ça rajoute une modalité dans le training du modèle. Ton réseau doit apprendre à fusionner vision + lidar + radar + ultrasons. Chaque capteur en plus c'est une source de désaccord à arbitrer, pas une source d'info supplémentaire. Sensor fusion artisanale = dette technique permanente.
Problème numéro deux, la bitter lesson de Rich Sutton : scaler le compute sur une seule modalité bat systématiquement les architectures bricolées à la main. Tesla a dropé le radar, puis les ultrasons, est passé full end-to-end vision. Leur courbe sur les edge cases s'est accélérée APRÈS, pas avant. Waymo fait l'inverse et reste stuck en ops géofencée.
Problème numéro trois, le plus fondamental : le LIDAR voit la géométrie, pas la sémantique. Il sait qu'il y a un truc, pas ce que c'est ni ce que ça va faire. Les derniers 9 de fiabilité sont des problèmes de cognition, pas de perception brute. Un capteur de plus résout rien, il ajoute du bruit.
Sébastien Loeb balance une 208 T16 à 180 dans un chemin boueux corse sous la pluie avec zéro LIDAR. Deux yeux, un cerveau. L'évolution a donné des yeux aux prédateurs pendant 500 millions d'années, pas des lasers. Il y a une raison.
Le LIDAR c'est l'équivalent du marxisme appliqué à l'économie. Une solution planifiée, centralisée, qui prétend modéliser explicitement ce qui doit émerger d'un système distribué et adaptatif. Tu remplaces l'intelligence par de la mesure, la compréhension par de la donnée, l'émergence par le contrôle. Ça rassure les ingénieurs qui veulent tout spécifier en amont, exactement comme la planif rassurait les économistes soviétiques. Et ça échoue pour les mêmes raisons : la réalité est trop riche pour être capturée par un capteur, comme elle est trop riche pour être capturée par un plan quinquennal.
La vraie intelligence, celle de Hayek comme celle de Tesla, c'est de faire confiance à un système qui apprend de l'expérience plutôt que de tout pré-encoder. L'élégance d'une solution c'est son rapport signal sur complexité. Le LIDAR explose le dénominateur.
Défendre le LIDAR en 2026 c'est préférer empiler des hacks plutôt que résoudre le vrai problème. C'est de la feignasserie intellectuelle maquillée en rigueur d'ingénieur. Les mêmes gens qui défendaient les systèmes experts en 2012 contre le deep learning. Ils finiront pareil.
Never bet against end-to-end. Never bet against la simplicité. Never bet against Elon.

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@TeslaBoomerMama Make sure to do strength training because GLP-1s makes you lose muscle mass, which we really need at our age (and muscle health goes hand in hand with brain health). Creatine and high quality omega 3 and daily multivitamin supplementation are also very helpful.
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Quick update on the GLP-1s:
Doctor told me yesterday to get off it, BMI (19.2) too low.
Was always on the lowest dose of Zepbound, so will cut that in half (0.5 x 2.5mg) and space out (7 -> 10 -> 14 days) and then see how it goes.
See, I am listening (sometimes, lol). ❤️
AleXandra Merz 🇺🇲@TeslaBoomerMama
💜💙❤️
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@nicknorwitz Love the work you’re doing, Nick. I practiced for years thinking I was practicing evidence based medicine- but it really wasn’t. Any human endeavor can be corrupted by persuasive personalities, and financial incentives, however subtle. Medicine is no different.
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@CernBasher @boilerjoe99 @saylor @phongle @Strategy Interesting that Iran is asking for payment in bitcoin- that’s rather bullish.
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@boilerjoe99 @saylor @phongle @Strategy As an advisor I’m seeing this happening quite quickly (given that the industry is slow to change).
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The 60/40 portfolio and the "4% Rule" have been obsoleted by @saylor @phongle @Strategy
To all the pension plan managers out there who are struggling to meet their pension plans' obligations, your portfolio's structural problem has been solved.
x.com/CernBasher/sta…
Cern Basher@CernBasher
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Todd Murray MD retweetou

@Dr_Singularity Seems this model can only make a fist, doubt it will be useful for anything more than party tricks
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Soon you’ll have your own chef and robot assistant for any job, for just $5,900.
"Unitree will start selling its cheapest humanoid robot, the R1, on Alibaba’s AliExpress next week for international markets including North America, Europe, Japan, and Singapore."
From now on, it will only get cheaper (at least for this model).
Cooking, cleaning, taking out trash, all these skills are just "software" that can and will be updated via the internet.
Entire professions will compress into software/AI updates.
This is just the beginning.
The Humanoid Hub@TheHumanoidHub
Unitree will start selling its cheapest humanoid robot, the R1, on Alibaba’s AliExpress next week for international markets including North America, Europe, Japan, and Singapore. The 123-cm-tall, 27-kg R1 was unveiled last year with a promise of a $5,900 starting price.
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@mikepat711 My 2026 MY got dinged last summer and I had to rent a Nissan Rogue for a few weeks. Same experience. It’s like going back to 20th century tech. So obviously inferior.
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2026 Tesla Model Y ➡️ 2026 Nissan Altima review.
As you may know, I’ve recently become a whiny TSLA baby. I bought the top/sold the bottom, and in my frustration, I decided that it’s all Tesla’s fault and not my own. So I ended up trading in my Model Y for the all new 2026 Nissan Altima in black.
FIRST IMPRESSIONS:
After my first 3 drives, I can honestly say that this thing is a total piece of shit.
Combustion engine acceleration is high latency garbage. When you want to overtake on the highway, it feels like you’re going to blow a chain or something. It’s a total joke. The Tesla felt like I drove over a mushroom in Mario Kart every time I pressed the accelerator to overtake, and it always felt like the car had endless power in the chamber if I wanted to unload on these ICE clowns even harder. Oh well.
Another thing that’s weird about this car is that for some reason objects seem to be constantly attracted to the front and back quarter panels. I think this is an Altima-specific issue, but holy fuck. I’ve already dented the rear driver’s side and I don’t even remember how. Whatever.
Apparently you have to start this thing and turn it off every time you use it? I forgot about this shit. You have this little plastic remote that you’ve gotta remember to have on you, and every time you get to your destination, you’ve gotta slide a drive selector into park and push a button to turn it off. I’ve left it running by accident every time so far.
Worst part though? You have to drive it. I can’t fucking believe people are still doing this. The entire time the thing is moving I have to control it and make sure we don’t crash and die. Can’t even bullshit on my phone or look away. Every single second it’s moving.
I hate this car. I’m currently crying/throwing up in this parking lot over my decision and trying to get the guy to sell me back my Tesla for twice what he bought it from me for.

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Island dwellers who are of African descent but somehow ended up near India. 60000 years in same place. Probably have enough food and water and lack of aggressors so no need for innovation. They are very affectionate to each other but have learned not to trust outsiders showing up. They killed a missionary from Seattle a few years back.
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Vast technology differences simultaneously
Massimo@Rainmaker1973
Both societies exist simultaneously. really incredible to think about
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Todd Murray MD retweetou
Todd Murray MD retweetou

@Tesla_Analyst @TeslaBoomerMama At his age radiation is kind of a non issue since it takes many many years for radiation to cause cancer. Definitely a concern in younger patients though.
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@TeslaBoomerMama While you have million things to worry about, make sure to tell the docs low dose CTs.
Otherwise they will keep zapping him with even more dangerous radiation.
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Thank you all.
Still waiting for XRays but Doc listening to his lungs says "no water" 🙏
Lots of blood draws, results in an hour
AleXandra Merz 🇺🇲@TeslaBoomerMama
We could do with some prayers, in the ER with TBP. Thank you.
Santa Barbara, CA 🇺🇸 English










