In 1876, the first microphone was invented by Emile Berliner.

Over one million Pet Rocks were sold in 1975, makine Gary Dahl, of Los Gatos, California, a millionaire. He got the idea while joking with friends about his pet that was easy to take care of, which was a rock.

The word racecar and kayak are the same whether they are read left to right or right to left.

A M A Z I N G   F A C T S