How Are Diamonds Used in Industry?
Industrial diamonds are used for such a wide variety of purposes that a sudden shortage would cause havoc in many branches of manufacture an
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Synthetic
What Is Plastic?
A plastic, in the modern sense of the word, is a synthetic or man-made material which can be formed into various shapes. The first plastic m
When Was Rubber Discovered?
When Was Rubber Discovered? Although the remarkable properties of the rubber tree were known to the Aztecs and other South American Indians,
Where Do Waxes Come From?
Where Do Waxes Come From? When we think of wax, we usually think of the material candles are made of. Wax is produced both naturally and art
Who Made the First Chewing Gum?
Who Made the First Chewing Gum? In many lands and from very early times, people have enjoyed chewing on gum-like substances. Some of these w