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 ...

This DIY projector might be the easiest you ever build. By Sandra Gutierrez G. Updated Apr 5, 2024 3:46 PM EDT We may earn revenue from the products available on this page and participate in affiliate ...

VIDEO: Another way that we can make a pinhole projection device ahead of the upcoming total solar eclipse is by using a cardboard tube. >> See other craft ideas for the eclipse VIDEO: Another way that ...

My friend is a high school science teacher, and she wants to make a pinhole camera for a demonstration in her class. She has recruited me for help. Can you folks link me to good (i.e. with lots of ...