The illusion is based on Pepper's Ghost, a theater effect dating back to the 16th century. Produced by Matthew Stuart Follow TI: On Facebook More from Tech It's really simple to build a projector ...

We’ve all seen holograms in movies, and occasionally we see various versions of the effect in real life ... simple device to display a sort of hologram. His display relies on reflections.

In this week’s Halloween themed Instructable, learn how to recreate the effect at ... is to make a moving hologram Halloween decoration. After all, you can get pico projectors for less than ...