Crystals - Symbols and surgery
Symbols and surgery
Crystals have been a part of cultures throughout history, from ancient Egyptians to modern days. Topaz, emeralds, rubies, sapphires, and diamonds are examples of crystals long prized as gems. Their brilliance, durability, and rarity have caused people to attach superstitions and symbolism to them. Emeralds were once thought to blind snakes; amethysts to cure drunkenness; diamonds to make a soldier undefeatable; and rubies were a symbol of power.
In the 1900s, researchers began to use crystals to improve many areas of people's lives, from technology to medicine. The properties of crystals, such as hardness, conductivity, insulation, and durability, make them valuable. In modern day crystals are used in electric fuses, control circuits, industrial tools, and communication equipment. Diamonds are used in drill bits, surgery scalpels, and saw blades. The television, radio, and camera all work because of...
[The entire page is 181 words long]
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