
Making music. Previously founding team @SpaceXSI, engineer @GoogleDeepMind. @RWTH alumnus.
London, UK
Joined December 2012
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I'm surprised no one in this debate talks about Dassault. Zero fatalities on the 2000, 7X, and 8X. Tri-jet design on many models. No T-tails.
It's also the brand of choice for Taylor Swift who has to owned a Falcon 50, 900, and 7X (current plane).
The actress is Tallulah Scarlet from Brighton. She shared some BTS pics and footage on her profile.
instagram.com/p/DfICFdLCoWp/…
The song is based on this 1959 interview in which Bertrand Russell shares his message to future generations. It's timeless.
youtube.com/watch?v=ihaB8AFO…
I still remember a team meeting when we suddenly switched from our usual engineering discussions to the importance of correct capital allocation. Of course, I learnt something important, but what struck me in the moment was just how much interdisciplinary knowledge Elon has.
Replying to @SawyerMerritt
This is primarily callable debt for GPU purchases that will arrive in Q1 and Q2. Not a major factor this quarter.
I heard there used to be a similar problem with cars and Tesla designed a whole new board with a supplier to match the FSD control frequency. Fixing jitter issues like this is extremely important. I'd be surprised if Optimus has this issue.
It is unfortunate that so much of the robotics world uses 50 hz joint targets, while the video data collection is at 60 hz. That skew isn't in the top ten problems for most robotics efforts today, but eventually it should be. Easier to adjust the robot fine control rates than all the video data! Add a gen-lock like trigger signal to lock the phases while you are at it.
I'll give a talk next week about some of the lessons I learnt at xAI. Admission is free. Sign up below.
luma.com/wxbjklox
Toby Pohlen retweeted
Grok 4.7 is here.
It's a notable improvement over Grok 4.6 at the same price and speed.
I slept enough; burnout is gone. I'm now sidequestmaxxing and will release some music soon. The first song is done and the video wrapped last night.
Three years, thousands of PRs, and a million jokes. Today was my last day @xai. To the team: you rock, no one burns the midnight oil better. To @elonmusk, thanks for taking me on board. I've learnt more about execution, speed, and product perfectionism than I could ever have imagined. Thanks for everything.
My next priorities: sleep for more than 8h, write down all the things I've learnt (I have a list), and then think about what I want to do next.
@gork wdyt?
I disagree. Germany has shown again and again that it's incapable of fixing problems. Housing shortage, skilled labour shortage, Deutsche Bahn, broken military, energy prices, pensions, bureaucracy. All headline problems for the past 20+ years. Zero progress on all. Just leave.
The amount of Germany hate-posting on the back of @patrickc‘s tweet is astonishing. Seems everyone has seen the light, aka read Ray Dalio‘s Changing World Order, and now has hot takes on the country’s decline being an inevitability, feeling superior for being able to „speak the hard truth“ and announcing to the world that the only thing left to do is getting the hell out of this country, which will most certainly fall into the hands of the far right.
I agree things need to to change, urgently and drastically. I agree we must reinvigorate the economy and boost entrepreneurship. I agree that our labour laws, energy costs, bureaucracy and low investment into future technology is unbefitting of the reality we live in today and of a country like Germany.
But to speak of all the ills in Germany like it was some doomed hell hole without even for a second realising or acknowledging that the country still has SO MUCH to offer makes me disappointed and angry.
This especially goes out to the 30/40 year olds who got to benefit from what was built up in the past and could now make a massive contribution to changing things for the better but who instead seem to just blame politicians and bureaucracy for everything.
I join your harsh criticism - I reject your defeatism entirely.
Congrats!
We've raised $1.1B to build AI that is owned and shaped by each of us. Check out the article published by the The New York Times that explains River AI's mission and where we're going next.
Our first product is the River API which allows anyone to build custom agents and LLMs based on open weight models: river.ai/api
Congrats to the team and thank you to all of our supporters. Stay tuned for more updates soon.
Toby Pohlen retweeted
Last night we won 1st Place at @spacexai's Grokathon! So excited for flying out to see a Starship launch in TX later this year.
We built a harness to allow Grok Build to reverse engineer old binary executables. Through MCP interfaces that wrap static analysis (disassembly via Ghidra), memory inspection/perturbation (via the process emulator), and interaction (computer use through input and visual feedback), we were able to rewrite old GameBoy ROMs as big as 262KB in clean C! We even did an exploratory demo of applying this paradigm to automobile firmware, and successfully reconstructed a 1995 BMW control unit’s runtime.
Thanks so much to my superb teammates @supratikp07 and @henryzhang and to the organizers, especially @forwarddeploy and @ishand
My most valuable contribution to Google's financials was quitting to start @spacexai.

















