How to defeat electrostatic discharge

Article Abstract:

Electrostatic discharge (ESD) is a form of electrical noise that can interrupt the operation of and even damage computer equipment. ESD is best known as the shock received when a person touches a metallic surface after building up a charge in his/herself. ESD will harm circuit operation if its voltage and/or current exceeds the signal levels of the electronic circuit. ESD can be defeated by preventing it altogether, by preventing its coupling with devices and by increasing a device's inherent noise immunity. A level of immunity can be designed into an integrated circuit providing alternative paths for the static to flow to ground. Filters can also be used to stop ESD noise from being coupled to devices. Conductive metallic barriers and insulating shields can provide an effective enclosure for computer systems.

Tutorial, Static Electricity Control, System Integrity, Preventive Maintenance

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The great escape

Article Abstract:

The grandson of a survivor of the shipwrecked Titanic receives word that his grandfather's property tag has been found in salvaged materials. Thoughts about his grandfather's near death in the technically advanced ship sparks musings about technology and the price humanity pays for it.

Social aspects, Personal narratives, Column, Technology, Labor supply, Labor force, Survival after airplane accidents, shipwrecks, etc., Survival, Technological unemployment

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In the Footsteps of Fortune

Article Abstract:

The author went to the Wuyi Mountains in the Fujian Province of China in a quest for finding bohea tea and to follow in the footsteps of Robert Fortune. He describes different types of tea found in the mountains and gives six places in which to enjoy them.

China, Tea (Beverage), Description and travel, Discovery and exploration, Tea, Varieties, Fortune, Robert

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