How to Make Gold a Superconductor ⚡ экспресс
Original: "Turning non-superconducting elements into superconductors by quantum confinement and proximity"
Flatten an ordinary metal into an atom-thin film, and you can make it conduct current with zero losses.
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Gold is an excellent conductor, but even it offers a little resistance to current. However, if you roll it into a film just a couple of atoms thick, the resistance disappears: electrons glide along it like skates on ice. This paves the way for electronics without energy loss.
🎯 The first predictions of superconductivity in thin films appeared back in the 1960s, but only modern computational methods have made it possible to accurately estimate the necessary thicknesses.