Imagine a switch that could automatically shut off the sun’s heat coming through your window when it gets too hot – but that would still let in the light. Now give that switch a name - vandium dioxide. A grant from the Western Innovation Fund is helping chemist Rob Lipson, above, and a team of scientists coat window glass with vanadium dioxide, a development that could someday shield a building's interior from the sun's heat.aptiontexthere Now give that switch a name – vanadium dioxide. - ReedResources