Vanadium Dioxide a Substance that Defies Our Understanding Of Physics

A groundbreaking discovery.
In physics there's a law that says anything that's a good conductor of electricity will be an equally good conductor of heat. Well is seems that it is not always true. Researchers have discovered that a familiar material called vanadium dioxide can 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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