Spies in the sky
Article Abstract:
Spy satellites such as Lacrosse, AFP-731, Vortex and Triplet are larger and more efficient than the Corona satellite which was launched in the 1960s. Spy satellites made in the 1990s provide all weather visibility and produce computer enhanced images to detect objects that are hidden by sand or soil.
Publication Name: Popular Science
Subject: Science and technology
ISSN: 0161-7370
Year: 1997
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Top gun
Article Abstract:
The Lockheed-Martin F-22 is an advanced fighter aircraft that combines stealth and agility with sustained supersonic speed. The F-22 has been designed and built with the newest technology to supercede all current or planned aircraft threats.
Publication Name: Popular Science
Subject: Science and technology
ISSN: 0161-7370
Year: 1997
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i fly
Article Abstract:
Latest trends in personal aircraft technology are discussed. Manufacturers have now recognized the need to make personal aircraft cheaper, safer, quieter and easier to fly.
Publication Name: Popular Science
Subject: Science and technology
ISSN: 0161-7370
Year: 2000
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