Energy & Green Tech

Smart water heating could help in South Africa's energy crisis

South Africa's energy crisis has many dimensions, from political and economic to technical and environmental. Recently, the country's power utility, Eskom, has been generating only about 60% of its capacity and has had to ...

Consumer & Gadgets

Intel, Lenovo spread foldable computer fever at CES

Will more foldable and dual-screen PCs be more like the norm rather than the novelty? CES 2020 has shown promising signs that good things are coming down the pike.

Consumer & Gadgets

Gadgets: Wireless is the hot earbud these days—with good reason

Earbuds or headphones make great gifts for yourself or a loved one during the holiday season. Every year, out of curiosity, I search for "headphones" on Amazon and this year I got more than 90,000 results. Obviously there's ...

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Wireless

Wireless communication is the transfer of information over a distance without the use of electrical conductors or "wires". The distances involved may be short (a few meters as in television remote control) or long (thousands or millions of kilometers for radio communications). When the context is clear, the term is often shortened to "wireless". Wireless communication is generally considered to be a branch of telecommunications.

It encompasses various types of fixed, mobile, and portable two way radios, cellular telephones, personal digital assistants (PDAs), and wireless networking. Other examples of wireless technology include GPS units, garage door openers and or garage doors, wireless computer mice, keyboards and headsets, satellite television and cordless telephones.

This text uses material from Wikipedia, licensed under CC BY-SA