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Genetic evidence from body lice suggests a range of dates centering over 100 thousand years ago. [28] The first bone scrapers appropriate for scraping hides to make supple leather were found in Morocco dating to 90–120,000 years ago. [29] [30] 164 kya – 47 kya: Heat treating of stone blades in South Africa. [31]
The following dates are approximations. 700 BC: Pythagoras's theorem is discovered by Baudhayana in the Hindu Shulba Sutras in Upanishadic India. [18] However, Indian mathematics, especially North Indian mathematics, generally did not have a tradition of communicating proofs, and it is not fully certain that Baudhayana or Apastamba knew of a proof.
At 78 RPM mechanically scanned, the images can be played back on his "telescreen". It could not play sound nor keep up with the rapidly increasing resolution of television. More than 40 years later, commercial optical disc players came onto the market. 1928: Fritz Pfleumer got the first tape recorder patent.
However, when 2,000 years ago, during the Three Kingdoms period, the Chinese inventor Ma Jun created a chariot with a built-in compass for Emperor Ming-di, it was a real wonder.
1275 –1326 – Mondino de Luzzi "Mundinus" carried out the first systematic human dissections since Herophilus of Chalcedon and Erasistratus of Ceos 1500 years earlier. [36] [37] Anathomia, 1541; 1288 – The hospital of Santa Maria Nuova founded in Florence, it was strictly medical. [7] 1300 – concave lens spectacles to treat myopia ...
Drawloom: The earliest confirmed drawloom fabrics come from the State of Chu and date from about 400 BC. [171] Most scholars attribute the invention of the drawloom to the ancient Chinese, although some speculate an independent invention from ancient Syria since drawloom fabrics found in Dura-Europas are thought to date from before AD 256.
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.
An AI-powered toilet seat has been named by Time Magazine as one of the top 200 inventions of 2024. It optically scans a user’s stool and urine, to detect any concerning changes that might ...