Don’t miss the next signal.

A Membrane That Is 75% Crystal Passes CO2 at Very High Speed

A Tianjin, EPFL and USC team reports a very fast CO2 membrane. Film thickness and real flue-gas data are missing, so it is a lab result, not a plant.

Google Put Four AI Chips in Orbit. Now Comes the Hard Part

Four Google AI chips are in orbit on a refrigerator-sized prototype. It proves survival, not economics. Heat, launch cost and repair decide the rest.

The Frontier Week Ahead: Three Deep Dives

Google's first AI chips in orbit, a crystal-packed membrane for capturing CO2, and a way to teach a chatbot to read letters.