Switchable mirror glass produced for energy efficient windows

Although windows can naturally heat buildings in the cold seasons, some hot sunny days might make you wish that windows would just go away. Scientists from Japan have recently designed new technology that will make windows seem to disappear by turning clear, transparent glass into mirrors.

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<p><a href="http://www.physorg.com/news89369874.html">Switchable mirror glass produced for energy efficient windows</a></p> <p>Although windows can naturally heat buildings in the cold seasons, some hot sunny days might make you wish that windows would just go away. Scientists from Japan have recently designed new technology that will make windows seem to disappear by turning clear, transparent glass into mirrors.</p>