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God told them to sell crypto. Their investors lost everything.

This time around, as Eli tells it, his public defender warned him that it was “legally impossible” that he’d be released early again. But he heard a voice in his head repeating,... Read more »

The Download: OpenAI’s turning point for math and a battery record

This entrepreneur is developing agents that can plan ahead Danijar Hafner’s office in San Francisco’s SoMa district sits mostly empty, but what it lacks in decor, it makes up for in robots.... Read more »

Batteries just broke another record in the US

Massive, utility-scale systems are leading the way; they’re responsible for most of the record-setting quarter. Seven new gigascale battery installations (those with a capacity of over one gigawatt-hour) came online during the... Read more »

Understanding the thermal ceiling in portable power

In internal testing, at 77 °F (25 °C) ambient, the back of the power bank stays below 96.8 °F (36 °C) throughout wireless charging, 21.6 °F (12 °C) below the international standard... Read more »

What OpenAI’s latest controversy tells us about the future of math

On Monday, NYU’s Buckmaster posted a proof on the social media site Mastodon showing that a simplified version of the Navier–Stokes equations can indeed break down—a major step forward on the Millennium... Read more »

The Download: our 35 Innovators Under 35 this year

Every year, we recognize 35 people from around the world who are doing groundbreaking scientific work and building clever technical fixes for sticky problems. By finding the top young innovators globally and... Read more »

This founder is teaching chips how to recycle (their energy)

While the idea was first proposed more than 50 years ago, it proved impractical to implement with existing transistors and circuits. Earley, though, has completely rethought the hardware needed to make energy... Read more »

This geneticist’s age-reversal tech could help restore sight

Lu is behind one of the coolest results in rejuvenation science—and in eye research. In 2018, while earning his PhD at Harvard Medical School, he used an age-reversal technique called reprogramming to... Read more »

This founder is making cheaper, cleaner steel

The process relies on coal, and it generates roughly 7% of the carbon emissions that drive climate change—about as much as the fashion industry. Decarbonization has proved difficult: Profit margins are tight... Read more »

This AI entrepreneur is developing agents that can plan ahead for the unexpected

To achieve this, Hafner relies on something called model-based reinforcement learning. He develops world models—AI models designed to emulate physical reality—and trains agents within them. The agent essentially treats the model as... Read more »