Search results
Results from the WOW.Com Content Network
On September 16, 1930, Lehberger was issued U.S. patent #1,775,861. [232] 1930 Car audio. Car audio/video (car AV) is a sound or video system fitted in an automobile. In 1930, the Galvin Corporation introduced the first commercial car radio, the Motorola model 5T71, which sold for between $110 and $130 and could be installed in most popular ...
This is a list of obsolete technology, superseded by newer technologies. Obsolescence is defined as the "transition from available to unavailable from the manufacturer in accordance with the original specification." [1] Newer technologies can mostly be considered as disruptive innovation. Many older technologies co-exist with newer alternatives ...
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
Online multiplayer environments are popular over the internet during the later half of the 1990s. The first console with built-in Internet connectivity was the Dreamcast in 1999, which failed due to the low download speeds common at the time but eventually led to an online-centric gaming industry by the late 2000s.
The timeline of historic inventions is a chronological list of particularly significant technological inventions and their inventors, where known. [ a ] The dates in this article make frequent use of the units mya and kya , which refer to millions and thousands of years ago, respectively.
Science & Tech. Sports. Weather. 24/7 Help. For premium support please call: ... From the American Revolution to today, get patriotic with these presidential trivia questions and answers, ...
In the 1980s and 1990s, researchers performed the first trial of gene therapy in humans and are now able to locate, identify, and describe the function of many genes in the human genome. [citation needed] Research conducted by universities, hospitals, and corporations also contributes to improvement in diagnosis and treatment of disease.
From trivia questions and answers on the '80s, '90s and 2000s to fun facts on pop, rock and country music, we've got a comprehensive list of easy and challenging music facts that are sure to test ...