Google’s Project Ara modular smartphone just can’t catch a break, with plans to use fancy electropermanent magnets scrapped after they struggled in testing. The Ara team had planned to use an innovative new module attachment system with, it was promised, the flexibility of a magnet but the power-efficiency of more physical connectors. Turns out, though, that technology wasn’t quite ready for primetime.
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https://www.slashgear.com/googles-clever-project-ara-module-magnets-dont-work-19398291/