#portal Mirrors lined with blue and red LEDs have long been a staple of Portal-themed decoration. Taking it to the next level, however, is jamin101wolf. He bought the Portal gun prop available through ThinkGeek and Amazon, then plugged the two mirrors into remote-control power boxes. With this he pulls off the effect of firing a red and blue portal (which are located on opposite walls, creating the requisite hall-of-mirrors effect.) More »