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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.
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]
The following articles cover the timeline of United States inventions: Timeline of United States inventions (before 1890), before the turn of the century; Timeline of United States inventions (1890–1945), before World War II; Timeline of United States inventions (1946–1991), during the Cold War
The Patent Act of 1836 (Ch. 357, 5 Stat. 117) further clarified United States patent law to the extent of establishing a patent office where patent applications are filed, processed, and granted, contingent upon the language and scope of the claimant's invention, for a patent term of 14 years with an extension of up to an additional seven years.
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 ...
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.
Jerome H. Lemelson (1923–1997), U.S. – inventions in the fields in which he patented make possible, wholly or in part, innovations like automated warehouses, industrial robots, cordless telephones, fax machines, videocassette recorders, camcorders, and the magnetic tape drive used in Sony's Walkman tape players.