This world we live in is full of the greatest people. Most of them died long ago and some are still living. Those who died and living …
Who Are Those 99 Greatest People of All Time Who Changed The World For Better Read More »
The dream of a flying machine that would rise straight up is an old one. Monardo da Vinci made drawings for a gigantic screwlike helicopter about A.D. …
A broom and a brush are somewhat alike. A broom, of course, is used for cleaning only, but many brushes serve this purpose, too. However, the brush …
Stockings were originally made of leather to cover the legs for protection. But even the idea of protecting the legs in this way was not a common …
An engine is a machine that produces motion. It changes energy, usually heats energy, into motion or movement so that work may be done. Men had tools …
All primitive people seem to have made the music of some sort. But the sounds they made were very different from those of modern music. This music …
Man has been skating in one way or another for more than 500 years! Ice skating is much older than roller skating since roller skating goes back …
“Zoo” is short for “zoological garden”. And a zoological garden is a place where living animals are kept and exhibited. Why Do We Keep Wild Animals In …
Unlike other musical instruments which came into being as the result of the work of one individual or several individuals, the drum has been in existence since …
The accordion is an instrument made on the principle of the bellows. The sound is made by forcing air through metallic reeds. The development of this instrument …
Many artists today paint pictures in which they make no effort to show the world around them. But when man began to paint pictures, that is exactly …
