By DK

ISBN-10: 146542038X

ISBN-13: 9781465420381

From making fireplace to construction the devices of the twenty first century, discover the tales in the back of the extraordinary principles and units that experience formed our global in 1,000 innovations and Discoveries.

This revised and up to date variation brings this finished evaluate of humanity's maximum principles modern. recommendations in technology, house, expertise, transportation, medication, arithmetic, and language are coated, besides a timeline of heritage highlighting all innovations and discoveries from the airbag to DNA, lie detectors to hormones, and cash to the symptoms of the zodiac. function containers delve into the main points of the lives of Isaac Newton, Marie Curie, Albert Einstein and extra, whereas notable photos and archive fabrics deliver their achievements to life.

Covering over three million years of principles, 1,000 innovations and Discoveries will amaze and encourage a love of historical past in kids.

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Extra info for 1,000 Inventions and Discoveries

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Stronger spokes, usually four, made from separate pieces of wood, were being used in Mesopotamia by 2000 bc, but it was another 1000 years before this type of wheel reached northern Europe. but with a chariot wheel, not a hammer. Celtic hero Chulainn grabs the wheel by the axle and hurls it as far as he can. 31 Learning the basics Corset c1900 bc P eople have never been satisfied with the shape of their bodies. Four thousand years ago, Minoan women living on the island of Crete in the Mediterranean Sea were wearing corsets to pinch in their waists.

He used his scientific knowledge to design ships, catapults, and even, it is said, giant mirrors to burn Roman ships with the Sun’s rays. In 211 bc, the city was eventually captured. The Roman soldiers rampaged through it, burning and killing. Sadly, one of their victims was Archimedes, the genius who did science in his bath. 499 bc – 1400 Greek trireme of about 450 bc Greek warship The magnificent trireme, a Greek ship with three layers of oars, showed how much importance the Greeks attached to winning battles at sea.

C 2000 bc The world’s first written language, Sumerian, ceases to be spoken because the Sumerians, now the Akkadians, switch to the language of their conquerors. Sumerian will live on in written form for 2,000 years. c wood. Its angled teeth cut in easy stages and create a gap wide enough for the blade to pass right through. The invention of the saw was made possible by the discovery of copper and, by 1500 bc, the ancient Egyptians were sawing planks. Western saws cut on the push stroke, but to stop them from buckling, early saws worked the other way around.

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1,000 Inventions and Discoveries by DK


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