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...
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...