Beating the tempest

Article Abstract:

Computer experts at Cambridge University have developed a computer program that prevents unauthorized persons from producing exact copies of text and images flashed on the computer screen. The program uses various frequency-alteration methods to hinder Tempest radiation.

Author: Grossman, Wendy M.
Publisher: Scientific American, Inc.
Publication Name: Scientific American
Subject: Science and technology
ISSN: 0036-8733
Year: 1998
Software, Computers, Safety and security measures, Digital computers, Data security, University of Cambridge, Software piracy

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Operating on a beating heart

Article Abstract:

Two experimental surgical techniques may help avoid the complications heart-lung machines in coronary surgery: operating on a beating heart, and endoscopic surgery.

Author: Borst, Cornelius
Publisher: Scientific American, Inc.
Publication Name: Scientific American
Subject: Science and technology
ISSN: 0036-8733
Year: 2000
Innovations, Surgery, Heart, Coronary artery bypass, Heart surgery, Surgical research

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Lipoprotein(a) in heart disease

Article Abstract:

Lipoprotein(a) can increase the risk of coronary heart disease and heart attacks. This blood protein binds with blood clots and transports cholesterol.

Author: Lawn, Richard M.
Publisher: Scientific American, Inc.
Publication Name: Scientific American
Subject: Science and technology
ISSN: 0036-8733
Year: 1992
Health aspects, Risk factors, Coronary heart disease, Heart attack, Lipoprotein A

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Subjects list: Research
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