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Hero of Alexandria

engineering
James Watt and the Steam Age Revolution

James Watt and the Steam Age Revolution

Tabea Tietz
On January 5, 1769,  Scottish inventor, mechanical engineer, and chemist James Watt finally received the patent for his steam engine: patent 913 A method of lessening the consumption of steam in steam engines-the separate condenser. How to Generate Power Before James Watt was able to revolutionize Europe’s industries, folks had to find different ways to generate power. While the Romans during the first century BC used undershot water wheels, the Europeans of the…
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physics
Hero of Alexandria and his Amazing Experiments

Hero of Alexandria and his Amazing Experiments

Harald Sack
Hero of Alexandria was a Greek mathematician and engineer who was active in his native city of Alexandria, Roman Egypt in the first century AD. He is considered the greatest experimenter of antiquity. Among his most famous inventions was a windwheel, constituting the earliest instance of wind harnessing on land, as well as the well recognized description of a steam-powered device called an aeolipile. The Problem with the Date A major difficulty…
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engineering
Thomas Savery and the Invention of Steam Power

Thomas Savery and the Invention of Steam Power

Tabea Tietz
At about 1650, English inventor and engineer Thomas Savery was born. Savery invented the first commercially used steam powered powered device, a steam pump which is often referred to as an “engine“. Savery‘s “engine” was a revolutionary method of pumping water, which solved the problem of mine drainage and made widespread public water supply practical. Rowing of ships with greater ease… Thomas Savery became a military engineer and was promoted to Captain in…
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