Google engineer Max Braun wanted his ordinary bathroom mirror to look more like the futuristic fixtures you’d see in the movies—the kind that transmit information directly onto the mirror. Though these smart products are not yet on the market, the parts for them are fairly easy to obtain. With this in mind, Braun decided to build his own mirror of the future. The impressive DIY project required both hi-tech and analog materials: a two-way mirror, display panel, controller board, components, ...