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 ...

To make your simple pinhole projector, grab one of the card stocks, fold it in half, and cut a small 1-inch (or 2-inch) hole at its center.

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 ...

How to make a homemade hologram projector First things first, we’d like to offer a cop-out.

Turning your smartphone into a sort a budget holographic projector is much easier than you’d expect, and it’s a fun project if you find yourself bored enough. We rarely advise you to drop everything ...

How to build a pinhole projector for the Ring of Fire eclipse: Pinhole projectors or pinhole cameras are very simple devices that use a tiny hole (aperture) instead of a lens to project an ...

An curved arrow pointing right. It's really simple to build a projector for your smartphone to be able to project the same types of holograms seen in Star Wars and other movies. Here's how! The ...

How to make a pinhole projector from a cereal box to safely view the total solar eclipse. You don't need fancy equipment to watch the celestial event.