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Remember, it is only safe to view a solar eclipse with your naked eyes during totality, when the light of the sun is completely blocked by the moon. What should you do if you can't find solar eclipse glasses?
A pinhole projector is the safest and most inexpensive way to watch a solar eclipse. This helps you avoid looking directly at the eclipse by using a projected image. Here are simple instructions for this do-it-yourself project:
- make a pinhole (a thumbtack should make the right sized hole) in a cardboard paper that blocks light except sunlight shining through the pinhole.
- facing away from the sun, hold the piece of paper so that the light from the sun can shine through the pinhole without obstruction.
- allow the sunlight shining through the pinhole to project onto a second piece of white paper that will serve as your projection screen (as shown in the image). The piece of cardboard with the pinhole should be about three feet above the piece of paper used as a screen.
Keep in mind NOT to look through the pinhole at the sun.
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