We use paper for communication (and occasionally making paper airplanes). However, there were many other uses put to the product when it was first introduced into America in the 18th century. Paper ...

Why does a tiny rock sink to the bottom of a lake, while a giant boat can stay afloat? When any object hits water, it displaces some amount of water. To float, the object needs to be lighter than the ...

“During the 1930s, Detroit had a large complement of highly skilled workers supplying the automobile industry capable of making just about anything,” wrote Kent Lund. “In the early 1930s a group of ...