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  1. Dipole Aerial, The (1968 Film)

    Director
    Marc Broadway
    Subject
    Technology
    Distribution
    Film (16mm)

    Discusses the need for aerials and gives a non-mathematical explanation of electromagnetic radiation. Quarter and half-wave dipoles and their properties are described.

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  2. Aerial Systems (1968 Film)

    Director
    Marc Broadway
    Subject
    Technology
    Distribution
    Film (16mm)

    The performance of arrays of dipoles and parasitic elements, with or without the effect of the ground. Other aerials discussed include the rhombic, the loop, the slot and the horn.

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  3. Typical Aerial Installations (1968 Film)

    Director
    Marc Broadway
    Subject
    Technology
    Distribution
    Film (16mm)

    Working aerial installations covering the whole field of radio, from long wave telegraphy to microwave radar and radio astronomy are shown. The order of treatment is roughly from low frequency to high...

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  4. Precise Giants (1981 Film, Video)

    Director
    Ted Poulter
    Producer
    Mike Capon
    Subject
    Engineering; Technology
    Distribution
    Film (16mm)

    Discusses big earth-station antennas for transmitting and receiving. Deals with different antennas, accuracy demands, weather effects and manufacturing. Includes footage of Richard Dimbleby commentating on...

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  5. Masters of the Ionosphere (1996 Video)

    Producer
    Tim Haines
    Subject
    Astronomy
    Distribution
    Sale, Videocassette. Standard formats. col. 50 min., 2000 sale: £99.00 (+VAT +p&p)

    Documents the bizarre history of scientific attempts to understand the atmospheric layer called the ionosphere and the American military’s plan to master this volatile region with a $58m machine in Alaska...

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  6. Fossil Heroes (1992 Video)

    Producer
    David Malone
    Subject
    Biology
    Distribution
    Sale, Videocassette. Standard formats. col. 30 min., 1996 sale: £65.00 (+VAT +p&p)

    Dr Robert Foley argues, given the traditional view that human intelligence led the ‘homo sapiens’ to dominate the planet, scientists have examined human evolution in isolation rather than viewing the...

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  7. Time Travel: The Next Frontier (1992 Video)

    Subject
    Physics
    Distribution
    Sale, Videocassette. Standard formats. col. 30 min., 1998 sale: £65.00 (+VAT +p&p)

    Time travel has obsessed scientists and artists for centuries, yet it is still a unrealistic concept. Dr David Deutsch believes that time travel is possible within the laws of physics and the only obstacles...

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  8. Breakthrough or Ballyhoo? (1992 Video)

    Producer
    John Groom
    Subject
    Science
    Distribution
    Off-air recording licence, Videocassette. Standard formats. col. 30 min.

    Are newspaper headlines and their stories to be believed? Recent examples include ‘British breakthrough likely to end asthma suffering’, ‘Vitamin K linked to child cancer’, and ‘Astronomers find...

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  9. Inside Technology Today (21 Parts) (1994 Video)

    Subject
    Engineering
    Distribution
    Sale, 21 videocassettes. VHS (PAL). col. various running times, 1999 sale: US$89.00 each part (inclusive) - PAL version

    Tutorials looking in detail at elements in the the research and manufacturing of integrated circuits and and related applicaitons. 1 (14 min): Antenna system designs are tested using a variety of folded...

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  10. Physics: Benefits and Hazards (8 Parts) (1990 Video)

    Subject
    Physics
    Distribution
    Sale, Videocassette. VHS. col. 8 x 30 min.

    1: carbon dioxide and other gases in the atmosphere. Describeds some of the features of current models including uncertanties introduced by could and ocean absorption. 2: introduces nuclear radiation and...

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