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!

This simple DIY project creates a fun 3D ... It is a hologram projector made with a thin plastic sheet and your smartphone! Seriously, it is so simple to do! [feast_advanced_jump_to] Do you ...

In his YouTube video, he explains how an old hard drive can be transformed into a laser projector that can display numbers and texts (at most 20 characters) from a distance of up to 90 meters ...