Tuesday, January 19, 2010

Hole in your Hand

Here's a fun experiment we stumbled onto today. Roll a piece of paper into a tube, place the tube up to one eye. Keep both eyes open and focus on something across the room. Now place your hand in front of your free eye so that it touches the side of the tube. Ta-duh! There's a hole in the middle of your hand! The kids thought this was a hoot and kept playing with it for quite a while. They tried using different colored paper, poking something into the hole and seeing if they could see holes in other solid objects. It was a great chance to discuss how our eyes process images and a hole lot of fun!

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