"Basically, a fax machine scans an image or a document line by line, then transmits that scan to a receiver where it's printed out and reproduced," said Jonathan Coopersmith, author of "Faxed: The Rise and Fall of the Fax Machine" (Johns Hopkins University Press, 2015) and professor of history at Texas A&M University. Faxes operate on telephone lines today, but early faxes (short for facsimile machines) used telegraph lines, which transmitted text messages using codes of long and short pulses, such as Morse code. In fact, the fax was invented in 1843, three decades before the telephone. Faxes have kept the same fundamental design and function since that time, but the mechanics have changed, Coopersmith said. … [Read more...] about How do fax machines work?
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Plex Media Server is a free service, but there's also a premium option dubbed Plex Pass that comes with a host of exciting features. You get free access to Plex's Android and iOS clients (which cost $4.99 each), the ability to watch and record over-the-air broadcasts if you use an HD antenna, and mobile sync, which lets you download files for offline viewing on your phone or tablet. … [Read more...] about This is your last chance to get a lifetime Plex Pass for $70 this Black Friday