I have over a dozen AirTags in use, and my biggest problem is having to change the batteries every year or so. Elevation Lab said, 'no worries.' ...

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An early grid battery was installed in the Atacama Desert in Chile 15 years ago. Now, as prices have tumbled, they are ...

Nanotechnology is quietly rewriting the rules of how small machines get their power, turning the ambient vibrations, motion ...