This will act as a background to see the shadows that the sun will make once the pinhole projector is finished. Now that the paper is secured, split the top of the box into thirds. Cut the two ...

You can use a cereal box or a piece of cardboard to create a pinhole projector, which can be used to create a small image of the sun. The projector makes observing the partial solar eclipse safe ...

This works well once the sun is about 50% eclipsed. A woman uses a box pinhole projector to watch the annular solar eclipse in Bogota on October 14, ... [+] 2023. Skygazers across the Americas ...