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  2. Pulsed electromagnetic field therapy - Wikipedia

    en.wikipedia.org/wiki/Pulsed_electromagnetic...

    The original PEMF devices consisted of a Helmholtz coil which generated a magnetic field. The patient's body was placed inside the magnetic field to deliver treatment. Today, the majority of PEMF wellness devices resemble a typical yoga mat in dimensions but are slightly thicker to house several flat spiral coils to produce an even electromagnetic

  3. Implantable loop recorder - Wikipedia

    en.wikipedia.org/wiki/Implantable_loop_recorder

    An implantable loop recorder (ILR), also known as an insertable cardiac monitor (ICM), is a small device that is implanted under the skin of the chest for cardiac monitoring, to record the heart's electrical activity for an extended period.

  4. Video tape recorder - Wikipedia

    en.wikipedia.org/wiki/Video_tape_recorder

    AMPEX quadruplex VR-1000A, the first commercially released video tape recorder in the late 1950s; quadruplex open-reel tape is 2 inches wide The first portable VTR, the suitcase-sized 1967 AMPEX quadruplex VR-3000 1976 Hitachi portable VTR, for Sony 1" type C; the source and take-up reels are stacked for compactness. However, only one reel is ...

  5. Digital video recorder - Wikipedia

    en.wikipedia.org/wiki/Digital_video_recorder

    V+, a combined digital video recorder and cable TV receiver (Set-top box) A digital video recorder ( DVR ), also referred to as a personal video recorder ( PVR ) particularly in Canadian and British English , is an electronic device that records video in a digital format to a disk drive , USB flash drive , SD memory card , SSD or other local or ...

  6. Artificial gills (human) - Wikipedia

    en.wikipedia.org/wiki/Artificial_gills_(human)

    Several potential methods exist for the development of artificial gills. One proposed method is the use of liquid breathing with a membrane oxygenator to solve the problem of carbon dioxide retention, the major limiting factor in liquid breathing.

  7. DVD recorder - Wikipedia

    en.wikipedia.org/wiki/DVD_recorder

    A DVD recorder is an optical disc recorder that uses optical disc recording technologies to digitally record analog or digital signals onto blank writable DVD media. Such devices are available as either installable drives for computers or as standalone components for use in television studios or home theater systems .

  8. Videocassette recorder - Wikipedia

    en.wikipedia.org/wiki/Videocassette_recorder

    Philips N1500 video recorder from the early 1970s. In 1970, Philips developed a home video cassette format specially made for a TV station in 1970 and available on the consumer market in 1972. Philips named this format "Video Cassette Recording" (although it is also referred to as "N1500", after the first recorder's model number). [19]

  9. Humans Need Not Apply - Wikipedia

    en.wikipedia.org/wiki/Humans_Need_Not_Apply

    Humans Need Not Apply is a 2014 internet video directed, produced, written, and edited by CGP Grey. It focuses on the future of the integration of automation into economics, as well as the impact of this integration to the worldwide workforce. It was released online on YouTube on 13 August 2014. [1] It was later made available via iTunes and ...

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