Solar eclipse projector
How to build your own eclipse projector (Credit: Canadian Space Agency)
How to build a solar eclipse projector.
It is built from a cardboard box. On one end there is a viewing hole cut out, and next to it there is a tiny sun hole. Opposite these on the inside of the box, there is a white paper that acts as a screen. A silhouette of a boy is looking through the viewing hole.
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