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We spend some more time with some more vintage tech. This time we look at audio recorded on spools of wire, teletype equipment for input and output, and the magnetic core. Check out the links below to catch some nifty videos of this stuff being demonstrated and explained.
Continue reading Ep 282: wires magnets and memory
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Before microchips, before solid state transistors, early electronic computers had to hold information somewhere… somehow… Join us as we look at some old methods of storing electronic memory.
Continue reading Ep 281: In memory of vintage memory
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We started with the stone age, back in episode 270. Today, we finally get to look at an all electronic, Turing complete, programmable computer. We also take a short side trip to more or less fail to explain what “Turing complete” means.
Continue reading Ep 280: Finally, some actual computers!
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War grips the globe, twice. Technology pushes forward, including the specialized calculating machines to encrypt messages on the one hand, and break the encryption of the enemy on the other.
Continue reading Ep 279: World wars, cyphers and subs
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We talk about vacuum tubes, how they work and how they made radio and telephone work so much better. We also spend some time talking about the very first computer programmer, the mother of steam punk, and enchantress of number—Ada Lovelace.
Continue reading Ep 278: Vacuum tubes, with a side order of steampunk
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It took a little over two years, what with the one episode a week format and all, but this is Phil’s one-hundredth time as our co-host extraordinaire! We share some of the things that we couldn’t squeeze into previous episodes, become baffled by Benford’s law, and otherwise relax and shoot the breeze.
Take that, you filthy air currents!
Continue reading Ep 277: Phil’s hundredth episode!
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We spend some time with the ships and subs of the American Civil war, take our hats off to George Boole, and watch the beginning of radio.
Continue reading Ep 276: Binary boats and wireless
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After the battery was invented, people began using electricity to do things like discover new elements and create new and better materials. Meanwhile, the punch card became a way to record information so that a machine could read and write it. Companies such as IBM were founded to keep track of it all. Wires stretched around the world to send messages fast enough to coordinate the new railroads, and new machines were invented to read and write faster than any human operators could manage.
Continue reading Ep 275: Telegraph and tabulation
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From water wheels to steam engines, to the taming of electricity, join us for another instalment in our episodes about where computers came from.
Continue reading Ep 274: And the wheels keep turning
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We rewind slightly to cover the beginnings of automated logic. Then we have a look-see at the mechanical calculators of the 17th century, and the people who made it happen. Along the way, we find the birth of binary.
Continue reading Ep 273: building bones and binary