This simple DIY project creates a fun 3D effect perfect for wowing your friends. I recently saw the most incredible thing and am so excited to share it with you! It is a hologram projector made ...

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!

While we’re still a long way off from the Star Wars telepresence holographic displays ... to create a laminar sheet of water vapor. Put a projector behind this thin sheet of vapor, and you ...