The lamp in our projector should last about 10,000 hours and costs $50 to replace. You can build your own projector for far less than we're spending.

In this video, learn how to make a game projector for smartphones using light bulbs. Follow our step-by-step guide to ...

The solar eclipse is approaching soon, and if you don't have proper eyewear, here's how you can watch the moment with a DIY pinhole projector.

How to Make a Pinhole Projector to View Today's Solar Eclipse It's easier than trying to find eclipse glasses at this point. And better for your eyes than staring directly at the sun.

Supplies There are many ways to make a pinhole projector, but you really just need two things: something with a pinhole in it, and something to project the image on.

Introduction 00:10 Initial setting 00:50 Create Projection 01:50 Create light rays 02:21 Adjust the Blur of the Projection ...

How to build a box projector to view the eclipse On Monday, April 8, much of the nation will experience at least a partial Solar Eclipse. The Northland falls in the 70% range.

If your approved solar-eclipse glasses didn’t come in time or the store is sold out, it’s not too late to safely see the eclipse.

Meteorologist Dylan Hudler explains how to make your own solar eclipse viewing projector.

Oh, and if you need to catch up, check out: Build your own HD projector (Part 1) - concept and parts Build your own HD projector (Part 2) - LCD teardown Build your own HD projector (Part 3 ...