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5. Play-Doh. Who: Kay Zufall, Brian, Joseph McVicker, Bill Rhodenbaugh When: 1956 . How it was created: The gooey toy kids have been playing with for decades began as a household cleaning product ...
From the first Apple computer to the COVID-19 vaccine, here are the most revolutionary inventions that were born in the U.S.A. in the past half-century.
This is a list of time capsules.The register of The International Time Capsule Society estimates there are between 10,000 and 15,000 time capsules worldwide. [1] An estimated 95% of time capsules are lost track of by the fifth anniversary of their burial.
This is a list of lost inventions - technologies whose original capabilities cannot be recreated in the same form anymore. It does not include theoretical inventions. It does not include theoretical inventions.
320 kya: The trade and long-distance transportation of resources (e.g. obsidian), use of pigments, and possible making of projectile points in Kenya [20] [21] [22] 279 kya: Hafting and early stone-tipped projectile weapons in Ethiopia [23] 200 kya: Simple glue made of one kind of material, birch tar, in Central Italy by Neanderthals. [24]
In his book Optics (circa 300 BC, surviving in later manuscripts from around 1000 AD), Euclid proposed mathematical descriptions of vision with "lines drawn directly from the eye pass through a space of great extent" and "the form of the space included in our vision is a cone, with its apex in the eye and its base at the limits of our vision."
2016 – Topological order – topological phase transitions and order – recognized (Nobel prize, David J. Thouless, F. Duncan M. Haldane and J. Michael Kosterlitz) 2019 – First image of a black hole; 2023 – Experimental evidence of stochastic Gravitational wave background [14]
A bad one. In 2002, the BBC wrote that Leonardo da Vinci made sure his war inventions would fail, possibly because he identified as a pacifist. But because he made his living sketching out ...