Steve Spangler Science: Homemade Projector

With a cardboard box and a few simple steps, you can make a projector for the movies in your phone.

If you’ve watched videos on a smartphone, then you know it can be tough to really enjoy the show on such a small screen.  For those who are strapped for cash and/or in the mood to do something creative, make your own projector. All you need is a cardboard box, a smart phone with videos, and a few basic tools. You end up with a real, working projector that you’ve made with your own hands. Spend your money on something else!


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