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Radio. An antenna farm hosting various radio antennas on Sandia Peak near Albuquerque, New Mexico, US. Radio is the technology of communicating using radio waves. [ 1][ 2][ 3] Radio waves are electromagnetic waves of frequency between 3 hertz (Hz) and 300 gigahertz (GHz). They are generated by an electronic device called a transmitter connected ...
History of radio. The early history of radio is the history of technology that produces and uses radio instruments that use radio waves. Within the timeline of radio, many people contributed theory and inventions in what became radio. Radio development began as "wireless telegraphy". Later radio history increasingly involves matters of ...
The question concerning technology is asked, as Heidegger notes, “so as to prepare a free relationship to it.” [2] The relationship will be free “if it opens our human existence to the essence of technology.” [2] This is because “[o]nly the true brings us into a free relationship with that which concerns us from out of its essence.” [3] Thus, questioning uncovers the questioned in ...
Technical communication is a task performed by specialized employees or consultants. For example, a professional writer may work with a company to produce a user manual. Some companies give considerable technical communication responsibility to other technical professionals—such as programmers, engineers, and scientists.
Technoethics (TE) is an interdisciplinary research area that draws on theories and methods from multiple knowledge domains (such as communications, social sciences, information studies, technology studies, applied ethics, and philosophy) to provide insights on ethical dimensions of technological systems and practices for advancing a technological society.
The Tech Guy. The Tech Guy was a widely syndicated US radio show hosted by Leo Laporte, formerly of TechTV and later with TWiT.tv. The show, which was first exclusively broadcast on KFI 640 AM in Los Angeles, was picked up for syndication by Premiere Networks (then Premiere Radio Networks) in February 2007. Laporte streamed video of his side of ...
Podcasts can also be used as a means of self-reflection on the learning processes or products. [ 5] Podcasts can help keep students on the same page, including those that are absent. Absent students can use podcasts to see class lectures, daily activities, homework assignments, handouts, and more. [ 6]
Radio frequency. Radio frequency ( RF) is the oscillation rate of an alternating electric current or voltage or of a magnetic, electric or electromagnetic field or mechanical system in the frequency [ 1] range from around 20 kHz to around 300 GHz. This is roughly between the upper limit of audio frequencies and the lower limit of infrared ...