OK, you want to view the Sun or an eclipse, but you don’t have an approved solar filter for your telescope. Maybe you don’t even have a telescope. No problem! I’ll bet you have a cardboard box. That ...
Claire Gillo shares her top tips for re-creating a pinhole camera and how to develop your own film. A pinhole camera is simply a box or container that uses a literal pinhole for an aperture. Light ...
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