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.

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 ...

Here's how! The illusion is based on Pepper's Ghost, a theater effect dating back to the 16th century. Follow TI: On Facebook More from Tech It's really simple to build a projector for your ...