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From flying cars to ancient earthquake detectors to automated doors, it turns out the world has been filled with futuristic inventions far longer than we realized. #1 An Ancient Earthquake Detector
Many Native American contributions to our modern world often go unrecognized, according to Gaetana DeGennaro, a museum specialist at the Smithsonian National Museum of the American Indian.
The timeline of historic inventions is a chronological list of particularly significant technological inventions and their inventors, where known. [ a ] The dates in this article make frequent use of the units mya and kya , which refer to millions and thousands of years ago, respectively.
Some inventions that are credited to the ancient Greeks are the following: bronze casting techniques, water organ (hydraulis), and the torsion siege engine. Many of these inventions occurred late in the Hellenistic period, often inspired by the need to improve weapons and tactics in war.
Polybolos, an ancient Greek repeating ballista. [4] A MythBusters episode built and tested a replica, concluding that it plausibly could have existed. However, the replica machine was prone to breakdowns. [5] Roman flexible glass, whose inventor was reportedly beheaded so that gold and silver would not be devalued. [6]
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 ...
Obsolete technology Replacement Still used for Bathing machine: No longer required due to changing social standards of morality Hourglass: Clock: Tasks where a fixed amount of time can be measured with a low-tech solution: Exposure time tracker in saunas (where electronics might be damaged by the heat or ultraviolet light); retro kitchen timers, board games, other short-term timers.
[11] [12] [13] Considered by historians to be the world's first residential university [14] and among the greatest centres of learning in the ancient world, it was located near the city of Rajagriha (now Rajgir) and about 90 kilometres (56 mi) southeast of Pataliputra (now Patna) and operated from 427 until 1197 CE. [15]