Not AI But Real Answers By Experts!
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. 1500. He never tried to build one because he had no motor to drive it. No one knows where it came from, but a toy helicopter known as … Read more
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 time of the earliest man. Many different kinds of drums have been used all over the world by the most primitive men, many of them races that … Read more
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 was invented many thousands of years before the broom. The caveman used brushes made of a bunch of animal hairs attached to the end of a stick. The … Read more
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 can be traced over a period of many years. The metal reeds, which are part of the instrument, were first used by the ancient Chinese in a musical … Read more
Stockings were originally made of leather to cover the legs for protection.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 practice until after the beginning of the Christian Era. The first people who tried to make a stocking anything like the ones we wear today were the French, … Read more
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 only to the eighteenth century. Wheeled skates were used on the roads of Holland about 200 years ago, and we cannot really know who was the first to make them … Read more
Plastic means “capable of being moulded or modelled”. When heated, plastics are like modelling clay. They cci be moulded into shapes wtiich laet when the material is cooled. In making plastics, chemists start with the molecule. The chemist causes molecules from a certain material to form a long chain, the hnks being the molecules. The … Read more
The origin of many customs is hard to trace, but this one has a definite beginning and it reads like a fairy tale! Many years ago, a beautiful girl in Holland wanted to marry a miller. He did not have much money, but he was loved by everyone because he used to give his flour and … Read more
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 often consisted of long and loud exclamations, sighs, moans, and shouts. Dancing, clapping, and drumming went along with the singing. Folk music has existed for centuries, passed from generation to generation by … Read more
When white men first went to Alaska, they found Eskimos, Aleuts, and Indians living there. In fact, Alaska was one of the last large areas of the world to be discovered and explored by white men. In the early eighteenth century, the Russians were moving through Siberia to the Pacific Ocean. In 1728, Vitus Bering, … Read more