steve hsu (@hsu_steve) / X

steve hsu

12.8K posts

steve hsu

@hsu_steve

Physicist, AI Founder, Manifold Podcast

stevehsu.substack.com/about

Joined June 2010

Following

44.4K

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steve hsu
@hsu_steve
Jan 7
Richard Feynman and the 19 year old me at my Caltech graduation. Nano Banana (Gemini) cleaned this image - removing scratch marks. Original: x.com/hsu_steve/stat…
steve hsu
@hsu_steve
Dec 26, 2016
Richard Feynman and the 19 year old me at my Caltech graduation (Found this in my mom's photo album :-) #feynman
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steve hsu
@hsu_steve
Nov 1, 2024
At dinner a PhD student who works on quantum gravity and black holes asked me, completely sincerely: "Do Jews control the US political system?" "Why does the US allow Israel to kill so many people?" This person is not political at all and was just asking a kind of scientific
MisteerSawito
@Vrijmanstaat101
Nov 1, 2024
Replying to @hsu_steve
Looking forward to the physics student side of your travel there Steve!
913K
steve hsu
@hsu_steve
Aug 7, 2025
Is Chain-of-Thought Reasoning of LLMs a Mirage? ... Our results reveal that CoT reasoning is a brittle mirage that vanishes when it is pushed beyond training distributions. This work offers a deeper understanding of why and when CoT reasoning fails, emphasizing the ongoing
793K
steve hsu
@hsu_steve
Dec 28, 2024
Re: H1B MAGA debate I've helped numerous physicists and engineers get O1 (alien of extraordinary ability) and H1B visas. The former tend to be PhDs (eg Russian theoretical physicist from top university) and the latter tend to be engineers with more applied backgrounds. I also
steve hsu
@hsu_steve
Feb 1, 2023
Total US STEM grads ~16M PRC: +5M grads per annum now, but started from a much lower base. US grads ~500k pa, so +4.5M gap. Every ~4y PRC gets NEW STEM workforce = ENTIRE US STEM workforce. Next 10y S&T innovation will be very different from last 10y! ncses.nsf.gov/pubs/nsb20221/…
1.3M
steve hsu
@hsu_steve
Jul 26, 2025
First US Luckin Coffee, in Greenwich Village, Manhattan Iced latte ~ $2
steve hsu
@hsu_steve
Nov 4, 2024
Luckin Coffee, Dali Coming to America soon Soft-Powa!
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steve hsu
@hsu_steve
Oct 18, 2025
C.N. Yang has passed, age 103. Yang was awarded the Nobel prize at 35, for parity violation (shared with T.D. Lee). But his greatest contribution was probably Yang-Mills theory, now referred to as gauge theory. When I was a student the former designation was as common as the
312K
steve hsu
@hsu_steve
Dec 26, 2016
Richard Feynman and the 19 year old me at my Caltech graduation (Found this in my mom's photo album :-) #feynman
steve hsu
@hsu_steve
Jan 18, 2025
Mom: "All the kids at school have downloaded RedNote" (9th grade) tiktok.com/t/ZT2eackDj/
00:00
204K
steve hsu
@hsu_steve
Jun 20, 2025
I would say this thesis is rapidly becoming conventional wisdom among many Chinese technologists and even some US technologists. It would be interesting to hear a serious debate between an advocate for this view and a typical neoliberal economist who defends financialization of
243K
steve hsu
@hsu_steve
Jan 17, 2025
More and more videos like this every day on Tik Tok. Even if you disagree with her, think about all the others traveling this same path in the last few days. A million Americans? tiktok.com/t/ZT2eS4oEn/
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steve hsu
@hsu_steve
Jan 17, 2025
She WOKE up tiktok.com/t/ZT2eA9khq/
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steve hsu
@hsu_steve
Jan 19, 2025
Home tour from RN. Guy lives in Changsha which is a lower cost of living city, works remotely - software dev? Lively discussion in comments re: who can afford this in China, is this guy upper middle class or rich? $100k USD family income plenty for this lifestyle?
00:00
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steve hsu
@hsu_steve
Nov 1, 2024
Note to retards: I've been traveling to China since the early 1990s, have collaborated on scientific and business projects here, etc. youtu.be/O3pkDDE6z7U If I tell you something like "PRC is ahead in nuclear energy and nearly caught up in semiconductors" or "wow free
178K
steve hsu
@hsu_steve
Jan 17, 2025
Lots of radicalization after time on Red Note (Xiaohongshu) interacting with Chinese netizens. tiktok.com/t/ZT2JgkppF/
00:00
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