The Presidential Daily Brief


  1. jay whitacre

    Engineering Team Working on Edible Battery

    They’re charging forward. The saltwater power storage unit isn’t your ordinary battery: It’s made from components so non-caustic you can eat some of them, and aims to sustain societies running on renewable solar and wind power on calm nights. Jay Whitacre’s Aquion Energy, which is pioneering the technology, is just one of many companies jockeying for a share of a potential $13.5 billion industry, but many expect it to do well in marketing to tropical islands — where brine is never far away.

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