Quantum batteries are theoretically awesome, practically non-existent

Today’s dose of overly ambitious tech research comes from the physics lab over at the University of Illinois at Urbana-Champaign , in a proposal titled “Digital quantum batteries: Energy and information storage in nano vacuum tube arrays.” It’s like a who’s who of undelivered promises got together and united to form one giant and impossible dream , but it’s one we’d prefer to believe in regardless. Aiming to improve battery performance by “orders of magnitude,” the project’s fundamental premise is that when capacitors — and we’re talking billions of them — are taken to a small enough scale and packed to within 10nm of one another, quantum effects act to prevent energy loss

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