and another one! "I'm out of tokens to actually fetch and parse those PDFs in this turn"
@packym
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Claude Hits Search Budget Limit Mid-Message in Fresh Chat
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Claude just told me it "ran out of search budget" halfway through the first message in a fresh chat. Is this new?
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Weekly AI Highlights: Alzheimer’s, Chips, Robotics, and More
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OpenAI + Arc team up on Alzheimer's.
Substrate + Google DeepMind work on chips.
Syncere's Lume lamp can fold your laundry.
Humans travel farther than ever from Earth.
Primer releases The Orator.
+ Science Breakthroughs, Hermeus, Pace Fellowship. What a week for the optimists. -
Weekly Roundup: Moon, OpenAI Acquisition, Gemma 4, Solar Efficiency
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We're going back to the fucking Moon.
OpenAI acquires TBPN.
Google DeepMind (what a great lab! hey guys!) releases Gemma 4.
Solar cells hit 130% efficiency (?).
Somos raises $40M. + Science Breakthroughs, grid, Bangalter What a week for the optimists. -
First RF Circuit Designed Autonomously From a Text Prompt
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The first RF circuit designed fully autonomously from a text prompt.
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Arena Physica Releases Heaviside EM Foundation Model
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In Electromagnetism Secretly Runs the World, we hinted at Arena Physica's EM foundation model. They just released it: Heaviside. https://t.co/U3CUnqcYPp https://t.co/TE3OuiVMCh
— Packy McCormick (@packyM) 31 mars 2026In Electromagnetism Secretly Runs the World, we hinted at Arena Physica's EM foundation model. They just released it: Heaviside. https://
notboring.co/p/electromagne
tism-secretly-runs-the
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Weekly Optimist Roundup: Nuclear, Moon, Energy, and Biotech Breakthroughs
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NASA goes nuclear (and Moon)
Terraform Industries breaks ground
Arbor Energy lands billion-dollar turbine deal
Centivax raises $37M for universal flu vaccine
Neion Bio hatches with chicken egg drugs + Science Breakthroughs + Extra Doses What a week for the optimists. -
Interactive Tool Visualizes Arena Physica Generator and Evaluator Loop
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We made some fun interactive things to help grok what @arenaphysica is doing, like this one that shows how their generator and evaluator models loop to alien designs that work. https://t.co/OcfICGDSQ4 pic.twitter.com/sy8obQ6f4U
— Packy McCormick (@packyM) 24 mars 2026We made some fun interactive things to help grok what @arenaphysica is doing, like this one that shows how their generator and evaluator models loop to alien designs that work.
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Arena Physica Builds EM Foundation Model for Physics
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@PratapRanade
's argument is that humans didn't evolve to intuit EM fields, but machines can be taught to. His company, @arenaphysica
, is building an EM foundation model (like an LLM but for physics instead of language) that learns the relationship between shapes and fields -
AI Startup Arena Physica Aims to Master RF Electromagnetic Engineering
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The future is electromagnetic. One challenge is that there are ~ten people in the world who can deeply intuit electromagnetism. RF engineering is "black magic." Arena Physica thinks machines can intuit EM better. CEO Pratap Ranade & I on AI for EM: