The idea of making a “homemade” hologram projector sounds like something out of a sci-fi movie. But, according to TikTok, you can pull it off with just two items. Different homemade versions of the 3D ...

Holograms are a difficult thing to create. There are a ton of different techniques to approximate a 3D image, many involving glass or mirrors, but few create a true three-dimensional moving image.

Holograms have been floating around for some time and a simple Google search will reveal hundreds of products claiming holographic technology — such as a pane of special glass that will make images ...