Try your hand at these fun activities from the Lemelson Center for the Study of Invention and Innovation Explore, Discover, Learn: Back to School with the Smithsonian Our back-to-school activity guide ...

The cannon is very simple. A pair of wires are pushed through a slit made in the top of a plastic 25 millimeter film can. The ...

Try your hand at these fun activities from the Lemelson Center for the Study of Invention and Innovation Explore, Discover, Learn: Back to School with the Smithsonian Our back-to-school activity guide ...

This is not just a fun activity, but also an educational experience that introduces kids to basic principles of chemistry in ...