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1880s. 1881: Nikolay Benardos presents carbon arc welding, the first practical arc welding method. [ 435] 1884: Hiram Maxim invents the recoil-operated Maxim gun, ushering in the age of semi- and fully automatic firearms. 1884: Paul Vieille invents Poudre B, the first smokeless powder for firearms.
One early silver dagger was recovered with midrib design. Police Dogs and War Dogs: were used by the Egyptians as early as 4000 B.C. [ 17] Encryption: One of the earliest forms of encryption is symbol replacement, which was first found in the tomb of Khnumhotep II, who lived in 1900 B.C. Egypt.
1717 Swim fins. Swim fins, also known as fins, or flippers, are blade-shaped extensions worn on feet or hands for use in water. They aid movement in aquatic sports such as swimming, surfing, and underwater diving. Swim fins are typically made of rubber or plastic. Benjamin Franklin invented wooden swim fins in 1717. [10]
e. A timeline of United States inventions (1890–1945) encompasses the innovative advancements of the United States within a historical context, dating from the Progressive Era to the end of World War II, which have been achieved by inventors who are either native-born or naturalized citizens of the United States.
Gersh Budker (1918–1977), Russia – electron cooling, co-inventor of collider. Edward Bull (1759–1798), England – Bull engine (a modified steam engine) Robert Bunsen (1811–1899), Germany – Bunsen burner. Henry Burden (1791–1871), Scotland and U.S. – Horseshoe machine, first usable iron railroad spike.
Espresso: a coffee-brewing method. Nutella, spread made from cocoa, hazelnuts and palm oil; created by the Ferrero firm in 1964. Mozzarella: southern Italian cheese made from Italian buffalo's milk by the pasta filata method. Marinara sauce: tomato sauce made with tomatoes, garlic, herbs and onions.
Construction, civil engineering and architecture. The Great Stupa at Sanchi (4th–1st century BCE). The dome shaped stupa was used in India as a commemorative monument associated with storing sacred relics. Hanuman and Ravana in Tolu Bommalata, the shadow puppet tradition of Andhra Pradesh, India.
1780: Modified version of the Newcomen engine (the Pickard engine) developed by James Pickard (dates unknown). 1781: The Iron Bridge, the first metal bridge, cast and built by Abraham Darby III (1750–1789). [ 54] 1791: The first true gas turbine invented by John Barber (1734–1801).