Caroline Herschel’s father knew that looking directly at the Sun could damage his children’s eyes. In order for his children to see the eclipse without looking at the Sun, Isaac Herschel used a tub of water as a mirror. The family could watch the eclipse in reflection.
Using a pinhole camera is another way to watch an eclipse while protecting our eyes. And it is easier to handle than a tub of water. To make a pinhole camera, we’ll need a thin piece of cardboard, such as the one...Read More