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But almanacs were invented independently by the Maya peoples. Their culture arose, and presumably began using almanacs, around 3,500 years ago, while Europeans are known to have created written almanacs only after 1150 CE. Almanacs are books containing meteorological and astronomical information, which the Maya used in various aspects of their ...
He invented a fluorescent lamp in 1896 that used a coating of calcium tungstate as the fluorescing substance, excited by X-rays. Although it received a patent in 1907, [6] it was not put into production. As with a few other attempts to use Geissler tubes for illumination, it had a short operating life, and given the success of the incandescent ...
On 23 December that same year, Monturiol's company went bankrupt and could attract no more investment. [3] The chief creditor called in his debt, and Monturiol was forced to surrender his sole asset, Ictíneo II. The creditor subsequently sold her to a businessman, and the authorities, who taxed all ships, issued its new owner with a tax bill.
Year Event 600 BCE: Ancient Greek philosopher Thales of Miletus described static electricity by rubbing fur on substances such as amber. 1600: English scientist William Gilbert coined the word electricus after careful experiments. He also explained the magnetism of Earth. 1660: German scientist Otto von Guericke invented a device that creates ...
Claude Shannon (1916–2016), founder of information theory and modern cryptography, invented Minivac 601, and co-invented the first wearable computer (with Edward O. Thorp) Ugo Cerletti (1877–1963), together with Lucio Bini (1908–1964), Italy – Electroconvulsive therapy; Leona Chalmers (c. 1937), U.S. – modern menstrual cup
14-year-old who invented device to detect pesticides on produce named America’s Top Young Scientist. Ahjané Forbes, USA TODAY. Updated October 18, 2024 at 11:44 AM.
The Lopez Expedition (Spanish: Expedición López) of 1851 was an attempt led by Narciso López to invade and seize control of Cuba which was then part of the Spanish Empire. The force comprising 420 Cuban emigres and American volunteers landed in western Cuba, where the invaders were defeated and captured by the Spanish forces.
Heman Bekele, a ninth grader from Virginia, was named "America’s Top Young Scientist" after he invented a $.50 bar of soap to treat skin cancer.