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4000 BC: Probable time period of the first diamond-mines in the world, in Southern India. [124] 4000 BC: Paved roads, in and around the Mesopotamian city of Ur, Iraq. [125] 4000 BC: Plumbing. The earliest pipes were made of clay, and are found at the Temple of Bel at Nippur in Babylonia. [126] [b]
The 100 known most prolific inventors based on worldwide utility patents are shown in the following table. While in many cases this is the number of utility patents granted by the United States Patent and Trademark Office, it may include utility patents granted by other countries, as noted by the source references for an inventor.
Ida Rosenthal (1886–1973), Belarus/Russia/U.S. – Bra , the standard of cup sizes, nursing bra, full-figured bra, the first seamed uplift bra (all with her husband William) Sidney Rosenthal (1907–1979), U.S. – Magic Marker; Eugene Roshal (born 1972), Russia – FAR file manager, RAR file format, WinRAR file archiver
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 ...
Hailed by Time magazine as one of the best inventions of 2001, the Bio-Artificial Liver brought new hope to patients around the world. Developed by Dr. Kenneth Matsumura, the Bio-Artificial Liver ...
Lighter Side. Medicare. new
100: Menelaus of Alexandria describes spherical triangles, a precursor to non-Euclidean geometry. [69] 150: The Almagest of Ptolemy contains evidence of the Hellenistic zero. Unlike the earlier Babylonian zero, the Hellenistic zero could be used alone, or at the end of a number.
Credit - F or Vanessa Bennett, senior international business leader at Roche, the COVID-19 pandemic had a silver lining: It made people comfortable with at-home healthcare. With 4,000 U.S. women ...