Archive for February 18th, 2010
SCADA System
February 18th, 2010 by admin
The term SCADA describes centralized systems which monitor and control sites, or complexes of systems distributed over extensive areas in other words anything between an industrial plant and a country. A majority of the control actions are allocated automatically by Remote Terminal Units also known as RTUs”or by Programmable Logic Controllers also known as PLCs. [...]
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The History of Cellphones
February 18th, 2010 by admin
The evolution of mobile technology can be traced back as early as the 1940s. Initially, two-way radios or mobile rigs were put in vehicles such as taxicabs, police cruisers and ambulances, but were not actually mobile phones because they were not normally connected to a telephone network. Essentially, the users of this early form of [...]
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Stonehenge
February 18th, 2010 by admin
Stonehenge is likely considered the most significant prehistoric monument in Britain. It has attracted visitors for many years. It is a testament to the skill and dedication of the people who constructedit many centuries ago. The Stonehenge that stands in its present location is the final phase of its construction that was completed about 3500 [...]
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White House
February 18th, 2010 by admin
If you are desirous of visiting the White House. There are a few things you will be mustdo and know when making your preliminary preparations. Public tours of the White House are readily available to all United States citizens. First a request must be made through your Member of Congress. Any request of this sort [...]
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