What is vanadium dioxide (VO2)

Vanadium dioxide (VO2) is a metal with ability to switch from insulator to conductive metal at the temperature of 67 °C.

Researchers now found that this metal would conduct electricity without conducting heat.

It contradicts the working of all other conductors which usually conducts heat when it conducts electricity i.e against the Wiedemann-Franz Law.

The law 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 regular.

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