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‘Smart’ window could make curtains obselete

LNM Radio Network

LNM Radio Network

Researchers at Harvard University have developed a way to quickly change the opacity of a glass window.
While we’ve seen the idea of ‘tunable’ windows before, previous methods have involved expensive electrochemical reactions which, while effective, aren’t much use for building a consumer product.

Now however scientists have come up with a cheaper and more effective alternative that is made from multiple layers of transparent, soft elastomers sprayed with a coating of silver nanowires.

When a voltage is applied the nanowires move towards one another, changing the opacity of the glass to make it clear, cloudy or opaque at the mere flick of a switch. – See more at:
http://www.unexplained-mysteries.com/news/292569/smart-window-could-make-curtains-obselete#sthash.m3GrXbVY.dpuf