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Joe Hansen
@joehansen
Tesla | SpaceX | Starlink | xAI | Grok | Terafab Thoughts & Analysis
4.3K Following    22.6K Followers
Facts by #JoeHansenFacts# In Pretoria, South Africa, during the apartheid era, the Musk family(@mayemusk) raised visionaries amid challenges. Elon Musk, born June 28, 1971, his brother Kimbal, born 1972, and his sister Tosca, born 1974, shared a childhood fueled by curiosity and limited technology. Their engineer father Errol provided access to early computers. At age 10, Elon received the Commodore VIC-20, one of the first affordable home computers. Lacking teachers or resources, the brothers taught themselves coding using the BASIC programming manual. Elon mastered it in three days instead of six months, igniting a passion that led to his first video game, Blastar, coded at 12 and sold for $500. This self-taught ingenuity on outdated machines in their South African home laid the foundation for their later success, including co-founding Zip2. The Musk brothers' early experiments with old computers exemplified determination, turning isolation and scarcity into skills that would revolutionize technology worldwide.
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I see this as a broken cable, not a miracle. The brain still sends the order. The wire in the neck does not. Neuralink is the bypass. Physics already said yes. The hard part is the implant that stays in and keeps working. "It's a communications bridge. You bridge the motor cortex past the point in the neck or spine where the nerve is damaged. From a physics standpoint it is possible to restore full body function." -- Elon Musk
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"Robots will one day outnumber people." -- Elon Musk
"With artificial intelligence, we are summoning the demon." -- Elon Musk Hard to miss that he said this and then built Grok anyway. The useful line is the one before the joke. Some oversight so nobody does something foolish. Building the model is how you stay in the room with it. Walking away is not control.
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Look at it this way: a Grok Bot template is a job in a link. Skills, memories, plugins. You send the whole workflow. They run it on their machine. Clean the memory first. Strip client names, logins, half-finished notes. Share the method. Keep the private file. Skip that step and you did not publish a tool. You forwarded your desk.
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How to share your Grok @Bot design with others
A country just put Grok in every school. Elon confirmed it. El Salvador did not wait for a data center debate. One decision, every classroom. That is the part most people will miss. The model was already good enough to teach. The delay was permission. A small country can move the whole system in a week. A big one argues about power plants while the kids sit in the same room as last year. I see this as Grok leaving the demo and entering a timetable. Once that happens, you do not roll it back.
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Grok providing schooling in El Salvador
"We have this handy fusion reactor in the sky called the sun. You don't have to do anything. It just works." -- Elon Musk The part that stuck is the red pixel. The land for US solar is a small blue square. The batteries to run that grid at night are one pixel inside it. Tesla is not arguing about rooftops. It is building the pixel.
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Elon said they flood Austin. Spotters have filmed Cybercab in about 26 cities. I do not buy that they flip all of those on at once. Tesla wants the first cars in a box they can watch. Thursday is Austin. Invite room, livestream, no wheel, no pedals. I will watch if those cars are still taking rides on Monday. That is control. The other 25 cities can wait.
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My read: people are mixing three clocks. ➤ One is a single cluster hitting 1 GW first. SpaceX did that. ➤ One is total fleet add per quarter. AWS and Microsoft still win that. ➤ One is live power on live chips this year. That number is smaller than the slide for everyone. 2 GW at SpaceX by year-end can be true and still be smaller than a hyperscaler fleet. Both can be true at once.
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Three claims I see on here 100x a day: 1) SpaceX has more compute than anyone. It should reach ~2 GW by year-end. AWS and Microsoft are each adding ~1 GW per quarter globally, with Google and Meta likely in the same range. 2) BTM can add 5–10+ GW annually. Yet SpaceX, supposedly the fastest BTM scaler, will reach ~2 GW after 1–2 years. 3) Anthropic is reliant on SpaceX. Anthropic disclosed >300 MW at Colossus I. SpaceX later said the agreement also covers Colossus II, but has not disclosed the total MW. Dylan Patel estimates Anthropic scales from <2 GW to >5 GW this year. These claims do not reconcile!
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🚨 SpaceX is standing up a turbine-blade foundry in Bastrop • The Information: SpaceX is laying groundwork for a plant that casts blades and vanes for large gas turbines • Site is Bastrop, Texas, next to existing SpaceX manufacturing • Same shop is meant to feed data-center turbines and Raptor turbopump castings • Morgan Stanley: same alloys, furnaces and skilled workers for both lines • Elon: in-house blades and vanes can pull gas turbines online by up to 18 months • Casting jobs for that site have been listed since April I see this as one building doing two jobs. - Raptor already needs that metal. - Data centers now need the same class of part and the outside foundries are booked into 2030. They still have to qualify the bigger blades. A job listing is not first metal. If Bastrop actually pours both, the 18-month claim stops being a slide and becomes a date.
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SpaceX already makes turbine blades. For Merlin. High heat, high RPM, cracks that NASA would not accept on a crew flight. They spent years on that and changed the part. The next job is bigger blades for gas turbines that feed data centers. Those parts sit in a few foundries with years of backlog. Elon wants the casting inside SpaceX to cut that wait by as much as 18 months. Rocket blades exist. Power-plant blades do not, not yet.
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SpaceX already makes turbine blades. For Merlin. High heat, high RPM, cracks that NASA would not accept on a crew flight. They spent years on that and changed the part. The next job is bigger blades for gas turbines that feed data centers. Those parts sit in a few foundries with years of backlog. Elon wants the casting inside SpaceX to cut that wait by as much as 18 months. Rocket blades exist. Power-plant blades do not, not yet.
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@SpaceAbhi We spent so many years on the turbine blade cracking problem
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🚨 Tesla Robotaxi Dallas geofence jumps about 50 percent • Official Tesla Robotaxi account posted the new Dallas map on 29 Aug: “Now serving more of Dallas” • Coverage estimated at 78 sq km before, about 120 sq km after • More of downtown plus extra ground to the west • Dallas has been running unsupervised public rides since January • Same network now covers six US cities: Austin, Dallas, Houston, Miami, Orlando, Tampa This is not a new driving stack. It is a bigger box the same cars are allowed to work in. A geofence that small still kills utilization. Half the trip requests die at the edge. Adding downtown and the west side is how a thin fleet starts to look like a service instead of a demo zone. I read this as the quiet week before Cybercab. Hours got longer. Dispatch got smarter. Now the map got bigger. September 3 is the vehicle. This is the city catching up.
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To me this is the second half of Terafab. The plant is one terawatt of silicon a year on the ground. The satellites are where that silicon goes to work. Orbit has the sunlight and the room. Earth does not. "Space is really the source of immense power and then you don't need to take up any room on Earth." -- Elon Musk
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"Physics is a good framework for thinking. … Boil things down to their fundamental truths and reason up from there." -- Elon Musk
Hard to miss the last line. He is not selling the hours. He is saying the bill is real. Most people want the outcome. Very few want that calendar. "I pretty much work all the time. It's quite rare for me to take even a Sunday off. I'm not recommending that to many people." -- Elon Musk
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Look at it this way. The chips can arrive and still sit dark. Elon is saying about 15 GW of 2027 AI compute never gets switched on that year. Power plants are only one piece. You still need transformers, high-voltage wiring, liquid cooling, giant chillers and a network that can move that much heat and data. That is why orbit keeps showing up. In space you skip most of that kit. On the ground the queue is not GPUs. It is the gear around them. My read is simple. Whoever can build the cooling and the electrical path fastest owns 2027. The rest is inventory.
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Consensus estimate is that ~15GW of AI compute produced in 2027 cannot be turned on in 2027. This is harder than just finding power, as you also need to build out all the transformers, wiring, liquid-cooling, (massive) chillers & complex networking.
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I see the $16.8 billion first phase as the down payment. A trillion-dollar factory only looks insane if you price the building. Elon just priced the output. One terawatt of silicon a year. At that rate the plant is still cheap. Current world supply is in the tens of gigawatts. He is talking about jumping the unit by about 50x. Optimus, Cybercab and orbital compute do not run on leftover foundry slots. They run on that extra silicon. The trillion is what the line is worth if the volume shows up. That is why he can say the ROI is still incredible.
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@l_lucullus @wintonARK Yes, Terafab will be over a trillion dollars long-term if it achieves a terawatt/year of silicon, but that would still be an incredible ROI
Elon almost never flags a science launch like this. That is why I stopped on those four words. Falcon Heavy is standing on 39A with NASA’s Roman telescope. Rollout was this morning. Liftoff is 7:26 a.m. ET Sunday if weather holds. This is not a Starlink flight. Roman is a $4.3 billion observatory going to L2. Same neighborhood as Webb, but a field of view about 100 times Hubble. - Dark energy. - Dark matter. - A wide planet hunt. NASA is also nine months early. The rocket is the easy part now. The payload is the part that used to slip.
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Grok 4.6 just took #1# on CursorBench. Not only the highest score. It did it at a fraction of the cost of the models sitting right behind it. That combination is the real signal. Top-tier results are one thing. Top-tier results that stay cheap enough to run for long agentic coding sessions are something else. I see this as the practical edge that matters for real work. Benchmarks are useful. Sustained performance at low cost is what actually gets used.
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Grok Bot never sleeps! Elon just highlighted the real difference with Grok Bot. It runs on its own remote computer managed by SpaceXAI. Close your laptop, reboot your desktop, go to sleep, whatever. The Bot keeps working. That is the core advantage over most other agent setups right now. Self-hosted options like Hermes or OpenClaw need a machine that stays on. If that machine is your laptop, the agent stops when you close the lid. If it is a VPS you manage, you are still responsible for uptime, updates, and security. Grok Bot removes that entire layer. SpaceXAI provisions and runs the computer. One computer per account, shared across all your Bots. Browser sessions, files, and logins stay live. One Bot can pick up exactly where another left off without re-authenticating or moving files around. You can also record a workflow once (up to ten minutes) and turn it into a reusable skill. Lowest friction path I have seen for teaching an agent a multi-step process. The practical result is simple: you can hand off real work and walk away. Sales follow-ups, bug reproduction, invoice processing, research that needs to run overnight. The Bot does not need your local machine to stay alive. That is the difference Elon is pointing at.
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