Latest Issue of Science News


News

Warm Reflections: Window tint kicks in when it's hot

Some window coatings reflect heat. Unfortunately, they also keep out the sun's warmth when outside temperatures are chilly. Now, chemists in England have created a window coating that automatically transforms into a heat mirror only when warmed above room temperature. The material is made of vanadium dioxide imbued with traces of tungsten.

Note: To comment, Science News subscribing members must now establish a separate login relationship with Disqus. Click the Disqus icon below, enter your e-mail and click “forgot password” to reset your password. You may also log into Disqus using Facebook, Twitter or Google.

X
This article is available only to subscribing members. Join SSP today or Log in.