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.

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.

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.

Health aspects, Risk factors, Coronary heart disease, Heart attack, Lipoprotein A

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