New 'smart' windows go from clear to dark in one minute
Smart windows already being sold, such as those used on airlines, are made of materials, such as tungsten oxide, that change colour when charged with electricity.
Aug 10, 2017, 16:51 PM IST
Smart windows already being sold, such as those used on airlines, are made of materials, such as tungsten oxide, that change colour when charged with electricity.
Aug 10, 2017, 16:51 PM IST