Scientists Formulate Intelligent Glass That Blocks Heat Not Light
Soaring air conditioning bills or suffering in the sweltering heat could soon be a thing of the past, thanks to UCL chemists. Reporting in the Journal of Materials Chemistry, researchers reveal they have developed an intelligent window coating that, when applied to the glass of buildings or cars, reflects the sun's heat so you don't get too hot under the collar. While conventional tints block both heat and light the coating, which is made from a derivative of vanadium dioxide, allows visible wavelengths of light through at all times but reflects infrared light when temperature rise over 29 degrees Celsius. Wavelengths of light in this region of the spectrum cause heating so blocking infrared