https://padlet.com/131050017328/6bvgffw2z1yy Made with a lightning strike of stupid en-us 2019-02-01 16:37:23 UTC 2023-07-26 10:05:43 UTC hello@padlet.com 131050017328 https://padlet.com/131050017328/6bvgffw2z1yy/wish/326770373 In 1863, the world’s first underground railway was built, connecting Paddington station – the London rail terminus for many prosperous commuters to the City – to Farringdon Street, just minutes from the Bank of England.]]> 2019-02-01 16:45:22 UTC https://padlet.com/131050017328/6bvgffw2z1yy/wish/326770373 131050017328 https://padlet.com/131050017328/6bvgffw2z1yy/wish/326771018 2019-02-01 16:46:37 UTC https://padlet.com/131050017328/6bvgffw2z1yy/wish/326771018 131050017328 https://padlet.com/131050017328/6bvgffw2z1yy/wish/326776347 The neon light was a bright invention that would begin the development of the flashy commercialism coming into the current consumer advertising market.]]> 2019-02-01 16:56:12 UTC https://padlet.com/131050017328/6bvgffw2z1yy/wish/326776347 131050017328 https://padlet.com/131050017328/6bvgffw2z1yy/wish/326781626 In 1937, using alloys that were strong and light, he produced the first viable jet engine to be successfully tested in a laboratory. Now it had to be put onto a plane. In 1941, a new jet fighter-prototype flew.]]> 2019-02-01 17:05:07 UTC https://padlet.com/131050017328/6bvgffw2z1yy/wish/326781626 131050017328 https://padlet.com/131050017328/6bvgffw2z1yy/wish/326782545 2019-02-01 17:07:04 UTC https://padlet.com/131050017328/6bvgffw2z1yy/wish/326782545 131050017328 https://padlet.com/131050017328/6bvgffw2z1yy/wish/326783985 The first radio antenna used to identify an astronomical radio source was one built by Karl Guthe Jansky, an engineer with Bell Telephone Companies, in 1932. Grote Weber was also a pioneer of radio astrology and helped in her findings]]> 2019-02-01 17:10:06 UTC https://padlet.com/131050017328/6bvgffw2z1yy/wish/326783985 131050017328 https://padlet.com/131050017328/6bvgffw2z1yy/wish/326790204 James Paris Lee patented a box magazine which held rounds stacked vertically in 1879 and 1882 and it was first adopted by Austria in the form of an 11mm straight-pull bolt-action rifle, the Mannlicher M1886. It also used a cartridge clip which held 5 rounds ready to load into the magazine.]]> 2019-02-01 17:21:50 UTC https://padlet.com/131050017328/6bvgffw2z1yy/wish/326790204 131050017328 https://padlet.com/131050017328/6bvgffw2z1yy/wish/326792582 Willem Einthoven was a Dutch doctor and physiologist. He invented the first practical electrocardiogram (EKG). He successfully developed a new string galvanometer with very high sensitivity, which he used in his electrocardiograph.]]> 2019-02-01 17:26:47 UTC https://padlet.com/131050017328/6bvgffw2z1yy/wish/326792582