30 Dec '15, 3pm

Messages From Hell: Human Signal Processing

Messages From Hell: Human Signal Processing

Despite the title, there’s no religious content in this post. The Hell in question is the German inventor [Rudolph Hell] . Although he had an impressive career, what most people remember him for is the Hellschreiber–a device I often mention when I’m trying to illustrate engineering elegance. What’s a Hellschreiber? And why is it elegant? The first question is easy to answer: the Hellschreiber is almost like a teletype machine. It sends printed messages over the radio, but it works differently than conventional teletype. That’s where the elegance comes into play. To understand how, though, you need a little background. Giant Brains and Porn You don’t hear it as much as you used to, but there was a time when people called computers “electronic brains.” In the 1970’s, RCA had a recruitment ad that stated (if I recall correctly): “The best electronic brains are human.” That sl...

Full article: http://hackaday.com/2015/12/30/messages-from-hell-human-s...

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