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Look at the URL. It’s because the original WSJ title was “OpenAI Chief Technology Officer Resigns,” which was a dupe of yesterday’s discussions. WSJ changed the title yesterday evening.

Even better imo than all the chemical energy we could store when we have excess solar, think about all the water we could create. Creating fresh water from sea water is extremely energy intensive, but there's nothing easier to store than giant bodies of water. Once the energy term is the reverse osmosis opex equation is erased, large scale water plants wherever it's sunny are going to start looking awfully attractive.

The best mental model for a heat pump is that they can maintain a certain temperature differential, say 80F. If it gets to be 0F outside and you want it to be 70? You don’t need to switch to a fully separate heating system, you just need to warm up either the incoming or outgoing air an additional 10 degrees via a small resistance heater. The super wide range heat pump systems will do that automatically, and the principle really applies to any differential you could want.

About ten years ago I set custom vibrations for my top contacts on my phone to be the Morse code representation of their initials. Ever since, I’ve had the super power of knowing who is texting or calling me without pulling out my phone. I’d say that alone has made a quick memorization of the alphabet worth it.

What an impressive company. A good reminder that, even in a market with umpteen competitors, success comes down to execution. Hope they keep up the good work.

Congrats on the launch! The novel (for robotics) business structure looks interesting. How are you planning on kickstarting the ecosystem? It looks like you need at least one or two competent companies above you on the stack before you can start getting real-world feedback. (1) Do you have in mind who these companies will be? Do they exist yet or do the need to be created? (2) One of the super difficult things about robotics is reconciling the difference between a clean sim and a messy world. How will you get feedback on how your robots are operating and iterate if there’s an independent company sitting between you and the customer?

From their ToS: Best Effort Service for RV Users. Network resources are always deprioritized for Starlink RVs users compared to other Starlink Services, resulting in degraded service and slower speeds in congested areas and during peak hours. Stated speeds and uninterrupted use of the Service are not guaranteed. Service degradation will occur most often in "Waitlist" areas designated on the Starlink Availability Map during peak usage hours. See the Starlink Specifications for expected performance of the Starlink for RV Services.

Something funny about bubbles. I’ve heard it said that housing prices in 2005 were outrageous, so much that they could only possibly be justified if the population somehow banded together to stop most new housing from being built. Likewise I’ve also heard something about the dotcom bubble- that the valuations of tech firms in 2001 were outrageous. That the multiples given could only ever be sustained if American consumer tech came to dominate the world…

Still a good thing, but title is misleading. 40% of India’s electricity does not come from non-fossil fuel sources. Instead, 40% of their installed capacity is non-fossil-fuel based. There’s a big difference because of the expected capacity factor of wind farms and solar farms vs fossil fuel plants. Even if 40% of your installed capacity is solar, with a capacity factor of 50%, you may be getting only 20% of your Joules from solar (fossil fuel plants generally have very high capacity factors)