E-book (device)
Electric book (reader, coll. "e-reader"; An e-book reader is a group of highly specialized compact tablet computer devices designed to display text in electronic form, such as e-books.
The main difference between this group of computer devices and PDAs, smartphones, tablet...
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At the end of the 19th century, when the science of electricity was still in its infancy, one man made a discovery that forever changed our understanding of the world. This man is Heinrich Hertz, and his experiments with electromagnetic waves ushered in a new era in physics and technology.
Discovery of electromagnetism
In the second decade of the 19th century, Danish physicist and...
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