Readers offer their best tips for building your own 3D projector, coordinating group photos for events, and studying more effectively. Every day we receive boatloads of great reader tips in our inbox, ...

We’ve shared many home made projectors in the past, but we think this might just be the first home made 3D projector! [Nicholas] has created a wonderful write up on this project on his blog, and in an ...

Projectors are getting a lot less expensive these days, what with China pumping out Pico projectors by the boat load and all. But did you know it’s not that hard to convert an old slide projector to ...

Technically, this simple DIY project doesn’t produce a hologram, but the results look very similar. The idea is to create a pyramid of transparent, reflective material with the point facing down onto ...

Anyone with a CD jewel case, office supplies and about 10 minutes to spare can turn their smartphone into a 3D hologram projector thanks to an instructional video on YouTube. The video, posted on 1 ...

The first new projector for the US is the HC4000 (pictured) which is touted as a great price for the performance DIY HT projector and features the 1080p DarkChip 3 DLP light engine. It is capable of ...