Vanadium Dioxide a Substance that Defies Our Understanding Of Physics

A groundbreaking discovery.
conduct electricity without conducting heat. Vanadium dioxide (VO2) conducts electricity without conducting heat in brazen defiance of one of the most fundamental rules of conductors . VO2 conducts electricity exclusively when it's above room temperature, while producing virtually no heat.

What Can't It Do?  
Apart from conducting electricity VO2 seems to have other interesting properties.
 Vanadium-dioxide based glass can block infrared light, what we know as heat without blocking visible light .
VO2 becomes transparent at temperatures below 30ºC and reflects infrared light at temperatures higher than 60ºC .
Scientists have found a way to trigger that infrared light reflecting power with a static voltage instead of raising the temperature, enabling the glass to block heat without turning opaque. Future windows could use a simple switch to control whether or not they let in heat .

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