What year were CDs invented? The Evolution of Music: From the inventions of radios, to 8 tracks, records and cassettes people have always enjoyed having their music at their fingertips. When compact discs were invented, it seemed music had reached a new level. ...
Mobile phones were invented as early as the 1940s when engineers working at AT&T developed cells for mobile phone base stations. The very first mobile phones were not really mobile phones at all. They were two-way radios that allowed people like taxi drivers and the emergency services to commu...
The chronometer was invented to win an 18th-century British government prize. Charles Lindbergh flew the Atlantic to win $25,000 offered by Raymond Orteig, a hotelier. That inspired Peter Diamandis, the X Prize’s creator, to offer $10 million for the first private space flight, won in ...
Though some residents appreciated the stereotypical white Christmas coming to them on Christmas Eve, others were not so grateful, especially once another messier snowstorm came through on New Year's Day.2003: Love Actually hits theaters Universal Pictures 2003: 'Love Actually' hits theaters The 21st...
So, other ways were invented to measure the passing of time. One device is the hourglass. It uses a thin stream of falling sand to measure time. By the eighteenth century, people had developed mechanical(机械的) clocks and watches. And today, many of our clocks and watches are electronic...
Every year, the global electronics industry produces trillions of semiconductor electronic components, such as integrated circuits (ICs), transistors, diodes, and LEDs, among others. These small pieces of technology are embedded in and power a wide range of electronic devices, from smartphones to au...
如能详细提供被举报单位（人）的基本信息及其违法事实，已直接掌握证据并协助执法部门查处，举报情况与违法事实完全相符，举报人为定点医药机构内部人员、原内部人员或定点医药机构竞争机构及其工作人员的，按查实案值的( )%进行奖励。
This allowed them to have electric lights and radios. However, by the 1940s when electricity was available to people in almost all areas of the United States, windmills were rarely used. During the 1970s, people started becoming concerned about the pollution that is created when coal and gas...
Coaxial cable was invented in 1880 by English engineer and mathematician Oliver Heaviside, who patented the invention and design that same year. AT&T established its first cross-continental coaxial transmission system in 1940. Depending on the carrier technology used and other factors, twisted pair cop...
Australia is renowned for its pioneering inventions. Among popular inventions from Australia are plane Black Boxes, penicillin, wine casks, car radios, aspirin, penicillin, smoke alarms, engine lawn mowers, and many others. In recent years, Australians invented the selfie. ...