Smart underwear measures farts, brain cells play Doom, and AI discovers rules of an ancient game.

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Ars Technica

A monthly science roundup covering six notable stories, with highlights including a revived nickel-iron battery design originally conceived by Thomas Edison. Researchers created a modern version using beef byproduct proteins, graphene oxide, and nickel-iron clusters formed into an aerogel structure. The prototype recharges in seconds and lasts over 12,000 cycles (~30 years), though its storage capacity still falls short of lithium-ion batteries. The design may be best suited for renewable energy grid storage rather than EVs. Other stories in the roundup include smart underwear that measures flatulence and neurons playing Doom.

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