Have you ever thought about the power of a paper clip? If you could convert the mass of a paper clip entirely to energy, how big a punch would it pack? Einstein's most famous equation, E = mc 2 ...

Try the activity and see how strong the surface of water can be! Try placing a paper clip on the water as shown. Does it sink or stay up? Unbend a paper clip into a “U” shape. This is your "grabber." ...