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Physicists have found a metal that conducts electricity but not heat

by Fiona MacDonald, Science Alert

Defying one of the most fundamental laws of conductors

Researchers have identified a metal that conducts electricity without conducting heat – an incredibly useful property that defies our current understanding of how conductors work.

The metal contradicts something called the Wiedemann-Franz Law, which basically states that good conductors of electricity will also be proportionally good conductors of heat, which is why things like motors and appliances get so hot when you use them regularly. Continue reading Physicists have found a metal that conducts electricity but not heat