Research paper: https://
pnas.org/doi/abs/10.107
3/pnas.2531743123#abstract
… Original video : https://
youtube.com/watch?v=jli0jP
iKxQs
… I break down stories like this every day in my free newsletter. Keep up with the latest in AI/Robotics in 5 min a day: https://
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RESEARCH
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Latest AI Robotics Research Breakdown Daily Newsletter
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Microscopic 3D-Printed Robot Smaller Than Human Hair
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Scientists just built a robot smaller than the width of a human hair (!)
— Rowan Cheung (@rowancheung) 29 avril 2026
It has no motor, no computer and no battery
It's a 3D-printed, flexible chain of microscopic segments that, after being hit with an electric field, started swimming through liquid like a snake.
Try to… pic.twitter.com/OfDpkqJ8rOScientists just built a robot smaller than the width of a human hair (!) It has no motor, no computer and no battery It's a 3D-printed, flexible chain of microscopic segments that, after being hit with an electric field, started swimming through liquid like a snake. Try to
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Q&A with UW Cheriton CS colleague on algorithms
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A Q&A with my new @UWCheritonCS colleague @Santho_Velusamy
, who works on algorithms and complexity, particularly streaming and other sublinear settings. Check it out! (Credits to comms guy Joe Petrik. Great articles and also great photos!) -
Neurons Hijacking in Cancer: Neural Fibers Slow Melanoma Growth
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A twist in cancer neuroscience with many studies showing hijacking of neurons to promote cancer—melanoma growth slowed by nerve fibers in skin https://
cell.com/neuron/fulltex
t/S0896-6273(26)00285-0
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We Have Been Saved: Past Present Future of AI
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tl;dr: we have been saved, we are being saved, we will be saved
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AI Agents Successfully Reproduce Social Science Research Results
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Paper: https://
elliottash.com/wp-content/upl
oads/2026/04/Kohler-Zollikofer-Einsiedler-Hoyle-Ash-Read-Paper-Write-Code-Agentic-Reproduction-Social-Science-Results.pdf
… Check out http://
AlphaSignal.ai to get a daily summary of top models, repos, and papers in AI. Read by 280,000+ devs. -
AI Agents Successfully Rebuild 48 Academic Papers Without Source Code
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AI agents rebuilt 48 papers without seeing the code or the paper. Most academic papers are supposed to be self-contained. Turns out, AI can now test that claim. Researchers built an agentic pipeline that reads a paper's methods section, looks at the raw data, and rewrites
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BAIR Faculty Member Elected to American Academy of Arts and Sciences
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Congratulations to BAIR faculty @doristsao who has been elected to the American Academy of Arts and Sciences!
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Slow Thinking Outweighs Fast Thinking in Decision Making
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No amount of fast thinking will ever add up to slow thinking.
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Attention Sink Problem in Transformer Models Explained
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Why do AI models sometimes obsess over useless words? Researchers from Tsinghua University, The University of Hong Kong, and Meituan LongCat Team present the first comprehensive survey on Attention Sink. The problem: Transformers often waste attention on a few meaningless