We're tracking all the latest news out of CES, and one of the buzziest drops is a knife that, well, buzzes. OK, more like vibrates. Last year, Seattle Ultrasonics announced the impending launch of the ...

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Rechargeable lithium-ion batteries are the bedrock of today’s tech-driven society. They underpin everything from smartphones and electric vehicles, to even our homes. To take us into a greener future, ...