How does wireless work?

Basically, first a computers wireless adapter changes the data into radio signals and then transmits these signals through the use of an antenna. Then a wireless router receives the signal and decodes it. It then sends the information through a wired Ethernet connection to the internet.

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Why was the wireless invented?

Wifi 101 tells the story behind the creation of wifi technology in a radio-physics lab at CSIRO in the 1990s. The team recognised the problem of reverberation , where in confined spaces radio waves bounce off surfaces such as furniture and walls, causing the signal to be scrambled, and they set out to solve the problem.

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