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It boasted a 155cc air-cooled engine and a top speed of 20 mph. This scooter was well ahead of its time and included some neat design features that wouldn't look out of place on a similar modern ...
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] 135 kya – 100 kya: Beads in Israel and Algeria [32] 100 kya: Compound paints made in South Africa [33] [34] [35]
A year later, this method is introduced in the United States. The car radio top model "Mexico" from Becker for the first time to an FM area (in mono) and an automatic tuning. 1954 RCA developed for the first apparatus for recording video signals on magnetic tapes. 22 km magnetic tape are needed per hour.
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.
Yuri Nikolaevich Denisyuk (1927–2006), Russia – 3D holography; ... garment cutting diagram and system; Boris Stechkin (1891 ... This page was last edited on 7 ...
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 ...
The second time, this technique was applied only some 100 years later, during the reconstruction of the Mainz Cathedral in Germany in 1826, while the third time it was used in the dome of Saint Isaac's Cathedral in St. Petersburg, built in the 1840s. The very top of the tower was crowned with a gilded metallic sphere with spikes.
One of the world's first computer games to use 3D graphics, Elite, is developed by David Braben and Ian Bell. 1989. Sir Tim Berners-Lee writes a proposal for what will become the World Wide Web. The following year, he specified HTML, the hypertext language, and HTTP, the protocol. [81] The Touchpad pointing device is first developed for Psion ...