Atoms in free fall in space add a quantum twist to Galileo’s gravity test
An experiment aboard China’s Tiangong space station reaffirms a core principle of Einstein’s general theory of relativity.
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Noah Williams
190 STORIESNoah tracks artificial intelligence, privacy, open technology, clean energy systems and responsible innovation.
Worms move faster when confined, and the finding could aid wormlike robot design
The unusual locomotion could one day help with robot design
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Charged water droplets may corrode metals beneath protective coatings
Water droplets can pick up electrical charge by sliding and transfer it to materials with the right electrical properties, including metals, eventually driving corrosion even under a protective coating, researchers report August 26 in Nature. The effect may be widespread.
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AI claims advance on Navier-Stokes math puzzle, sparking credit controversy
OpenAI says AI agents found a breakdown in the forced Navier-Stokes equations, which describe fluid flow. Mathematicians are still verifying the 166-page proof, and questions about credit and access have fueled controversy.
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