Search results
Results From The WOW.Com Content Network
1899 Flash-lamp. The electric flash-lamp is a device that uses an electrical circuit to trigger a fuse to ignite explosive powder such as magnesium, for a brief sudden burst of bright light "flash" from a chemical reaction of flash powder burning. It was principally used for flash photography in the early 20th century, but had other uses as well.
The expedition team, financed by Andrew Carnegie for the Carnegie Museum of Natural History in Pittsburgh and led by William Harlow Reed, bestows the name "Dippy" on the Diplodicus carnegii, which becomes well known after Carnegie has plaster cast replicas made for donation to museums all over the world. These dinosaurs are estimated to have ...
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
[148] [149] [150] Despite credit usually going to English inventor Hubert Cecil Booth for inventing the first electric vacuum cleaner in 1901, his vacuum was actually predated two years by an American, John Thurman of St. Louis, Missouri, who invented the motorized vacuum cleaner in 1899. [151] However, neither were practical or useful.
2004: First podcast, invented by Adam Curry and Dave Winer, is a program made available in digital format for download over the Internet and it usually features one or more recurring hosts engaged in a discussion about a particular topic or current event. [545] [546] [547] 2005: YouTube, the first popular video-streaming site, was founded
Pages in category "1899 in science" The following 12 pages are in this category, out of 12 total. This list may not reflect recent changes. ...
1899 was a common year starting on Sunday of the Gregorian calendar and a common year starting on Friday of the Julian calendar, the 1899th year of the Common Era (CE) and Anno Domini (AD) designations, the 899th year of the 2nd millennium, the 99th year of the 19th century, and the 10th and last year of the 1890s decade. As of the start of ...
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