منابع مشابه
Silver Bullet Talks with Becky Bace
B ecky Bace, one of the luminaries of computer security, grew up in Birmingham, Alabama. She spent 12 years at the US National Security Agency (NSA), where her work focused on intrusion detection and cryptography. Currently, Bace is a venture consultant with the venture capital firm Trident Capital in Palo Alto, California. Featured here is an excerpt adapted from the full interview between Bac...
متن کاملT . LENZINI Patron Approaches to Serials : A User Study
Although many catalog use studies have been reported, those limited to patron success with locating serials have been uncommon. This study, conducted at a separate serial card catalog in a major research library, measures the success of more than jour hundred patrons in the bibliographic retrieval of serials. The authors interviewed patrons and then analyzed the data in an attempt to determine ...
متن کاملLightning Discharge and Fundamentals of Lightning Protection
A review of lightning protection concepts introduced by Benjamin Franklin (18th century) and James Clerk Maxwell (19th century) is given. Modern approaches to lightning protection of various structures and systems are discussed. In particular, the widely used electrogeometrical model (one version of which is the Rolling Sphere Method) and the topological shielding are presented. Bonding require...
متن کاملLightning Protection
Lightning causes deaths, injuries, damages, and significant costs and losses around the world. The global lightning flash rate is in the range of 40 to 100 lightning flashes per second, of which about 30 % are cloud-to-ground flashes. The development of theoretical and experimental researches is crucial for a better understanding of the physical phenomenon and for the characterization of lightn...
متن کاملLightning injuries.
Lightning is persistently one of the leading causes of death caused by environmental or natural disaster. To understand the pathophysiology and treatment of lightning injuries one must first discount the innumerable myths, superstitions, and misconceptions surrounding lightning. The fundamental difference between high voltage electrical injury and lightning is the duration of exposure to curren...
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ژورنال
عنوان ژورنال: Against the Grain
سال: 1993
ISSN: 2380-176X
DOI: 10.7771/2380-176x.1416