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[25 Jan 2008 | No Comment | 14,264 supporters]

It is expect that nearly every household in the United States has at least one radio. The invention of the radio was dependent upon two previous discoveries: the electromagnet and telegraph.
The electromagnet was discovered in 1825. This discovery opened the doors to global communication! Five years later, Joseph Henry successfully transmitted an electric current via wire which was stretched over a mile and which caused an electromagnet to trigger the sounding of a bell. Thus, the electric telegraph was born. One of the most recognizable names associated with the telegraph …

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[14 Jan 2008 | No Comment | 3,233 supporters]

The tablet PC is a slate shaped computer which is mobile in nature. For coping up with modern era and its fast generations the invention of the Tablet PC is incredible. The use of this PC as the name suggests is very beneficial, though the device is very small in size. With the latest techniques that are introduced in its form is attracting everyone to use it for various purposes.
Right from the touch screens to the digital pen, everything in this Tablet PC are designed to meet the needs of …