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4th century: Simple suspension bridge, independently invented in Pre-Columbian South America, and the Hindu Kush range, of present-day Afghanistan and Pakistan. With Han dynasty travelers noting bridges being constructed from 3 or more vines or 3 ropes. [308] Later bridges constructed utilizing cables of iron chains appeared in Tibet. [309] [310]
Chiton (costume): A chiton is a form of tunic that fastens at the shoulder, worn by men and women of Ancient Greece and Rome. Chryselephantine sculpture: sculpture made with gold and ivory. Chryselephantine cult statues enjoyed high status in Ancient Greece. Cithara: An ancient Greek musical instrument in the yoke lutes family.
1500 BC – Saffron used as a medicine on the Aegean island of Thera in ancient Greece; 1500 BC – Edwin Smith Papyrus, an Egyptian medical text and the oldest known surgical treatise (no true surgery) no magic [5] 1300 BC – Brugsch Papyrus and London Medical Papyrus; 1250 BC – Asklepios [5]
Ancient Greek technology developed during the 5th century BC, continuing up to and including the Roman period, and beyond. Inventions that are credited to the ancient Greeks include the gear, screw, rotary mills, bronze casting techniques, water clock, water organ, the torsion catapult, the use of steam to operate some experimental machines and ...
The Indus Valley script remains undeciphered and there are very little surviving fragments of its writing, thus any inference about scientific discoveries in that region must be made based only on archaeological digs. The following dates are approximations. The Nippur cubit-rod, c. 2650 BCE, in the Archeological Museum of Istanbul, Turkey
Many Native American contributions to our modern world often go unrecognized, according to Gaetana DeGennaro, a museum specialist at the Smithsonian National Museum of the American Indian.
American engineer Peter Cooper Hewitt invented the Fluorescent lamp: 1904: English engineer John Ambrose Fleming invented the diode: 1906: American inventor Lee de Forest invented the triode: 1908: Scottish engineer Alan Archibald Campbell-Swinton, laid out the principles of Television. 1909: Mica capacitor was invented by William Dubilier: 1911
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.