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What’s a Francis Turbine?

[ad_1] The Francis turbine is an internal flow reaction turbine that converts the energy of flowing water into electricity. It was invented by James Francis in 1849 and is the most efficient water turbine in the world. Its design uses changing water pressure and the law of conservation of angular momentum to capture the water’s […]

Who was Francis Walsingham?

[ad_1] Francis Walsingham was Queen Elizabeth I’s principal secretary and a key figure in English intelligence. He used an extensive network of agents to gather information and thwart plots against the queen, while also offering his caustic advice. He was a patron of the arts and sciences and helped strengthen England as a global power. […]