Light from a ring of LEDs reflects repeatedly between two mirrors, making many images of the LEDs and creating the illusion of a deep hole. One of the mirrors is half-silvered so that it can reflect, ...

[Evan] wrote in to let us know about the LED matrix infinity mirror he’s been working on. [Evan] built a sizable LED matrix out of WS2812B LEDs and mounted them to a semi-reflective acrylic sheet, ...