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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.
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 ...
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.
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 ...
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
Snow Goggles. Snow goggles were invented by the Inuit and Yupik Indians, Arctic native people who lived in modern day Alaska. DeGennaro told CNN the goggles were often carved from driftwood, whale ...
His invention of the "Maxim Silencer" for noise suppression came too late to save his father's hearing. [40] Hiram Percy later wrote a biography of his father titled A Genius in the Family , containing about 60 anecdotes of Hiram Percy's experiences with his father throughout his early life (until about age 12).
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