BBC News - 'Smart' window switches to dark mode to save energy

"Smart" windows could help save energy costs

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A new type of "smart" window that switches from summer to winter mode has been made by South Korean scientists.

The window darkens when the outside air temperatures soar, and becomes transparent when it gets cold in order to capture free heat from the sun.

Similar windows already exist, but the researchers say their method allows for an [...]

Full article at bbc.co.uk

 

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