This sheet turns your windows into mirrors

(Credit: AIST)

One feature on the beleaguered Boeing 787 Dreamliner is its electrochromic dimming system that lets passengers make windows on the aircraft more or less opaque at the touch of a button.

Japan’s National Institute of Advanced Industrial Science and Technology (AIST) says that while these smart windows can take about 30 seconds to change, it has a new stick-on window film that can go from reflective to see-through in only 5 seconds.

The switchable mirror device can change states when a low voltage is applied.

The tech can be used to produce low-cost, large-scale smart windows, according to AIST. In contrast to some smart windows, the sheet reflects light instead of absorbing it, preventing the glass from heating up.

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