Facts About All

Nylon was the first of man-made synthetic fibres, and is considered one of the most important chemical discoveries because of its hardne...

Bacteria are small unicellular organisms found almost everywhere, in the deepest oceans, beneath the ground, and up to 27,000 meters in the ...

The glass plate on a car's windshield has an ingredient added to ordinary glass to turn it into safety glass. The glass is construct...

Electricity enters our homes, schools, factories, warehouses through copper cables from powerful generators in power plants. These pla...

The material that makes a pencil write is a mixture of graphite (a form of carbon), clay, wax, and chemicals. To make a pencil, you hav...

A submarine has several large tanks inside that are filled with air when the ship is floating on the surface of the water. It is the air,...

Glues, such as paste or cement, are characterized by joining things together. These materials are known as adhesives because they make th...

X-rays are like ordinary rays of light, except for one thing, they have a shorter wavelength. Because of this, a beam of this length has mor...

The sinking of the British liner Titanic in 1912, after hitting an iceberg, spurred scientists to find a way to detect obstacles underwat...

Aqua-lung Since the nineteenth century men of science had tried to create an artifact that would allow divers to breathe without relying...

The first building materials used by man were made of wood and stone. But the use of bricks followed soon, even before the first writings...

The margarine that many people prefer to use instead of butter is made from vegetable and animal fats, along with skim milk and salt. Fa...

  Nylon is an artificial material made from air, coal, water, and petroleum and plant chemicals. Unlike cotton which grows on a plant, nyl...