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Technologies that were never successfully developed, may have disappeared completely. [2] These are not contained in the following list. Also not included are spurious inventions - technologies which are generally considered to not possess their claimed capabilities, to be hoaxes, or to not have ever existed in the first place.
However, blind experiments have never conclusively found a difference between the sound of Stradivari's violins and other high-quality violins. [8] Starlite is an intumescent material said to withstand enormous amounts of heat. [6] Zhang's seismoscope, also known as hòufēng dìdòngyí, an ancient Chinese seismometer.
Public Domain. Henry Ford is known for many things — the most prominent being mass-manufactured cars and paying workers respectable wages. But his first automobile, made in 1896, was powered by ...
Image credits: anon #9. 2 Things. Completed products. Before the rise of online gaming all games had to be completed before they could be pushed out and you couldn't really do upgrades (although ...
YouTube is the world's most popular video-sharing site. Developed by PayPal employees Chad Hurley, Steve Chen, and Jawed Karim, the site's user-friendly, shareable format has been a key mover in ...
1380: Madhava of Sangamagrama discovers the most precise estimate of π in the medieval world through his infinite series, a strict inequality with uncertainty 3e-13. 15th century: Parameshvara discovers a formula for the circumradius of a quadrilateral. [114] 1480: Madhava of Sangamagrama found pi and that it was infinite.
An ancient Chinese mechanical compass which took a millennium to reproduce. Tall bike: A bike which consists of two conventional bicycle frames connected one atop the other. Train surfing: As respectable and practical as drying one's hair in most parts of the world. Unused highway: Lost highways, unloved and unused. Uruguayan Air Force Flight 571
Much of the world's energy comes from non-renewable energy sources. These inventions are innovating our energy consumption and paving a greener path. 16 inventions getting us off fossil fuels and ...