"Behind the scenes, the Magic Mirror is powered by a Raspberry Pi 3 running a Hosted Web App on Windows 10 IoT Core, making it more or less a consumer-level project – assuming that consumer has a little technical know-how.
. . . design uses an LCD display behind a plane of one-way mirrored glass. In this way, someone can see their reflection as well as the underlying display thanks to a stark, white-on-black contrast ratio and neat typeface."
http://www.dailymail.co.uk/sciencet...ror-knows-feeling-emails-weather-morning.html