AT a meeting of the Philosophical Society of Glasgow on December 22, 1880, I gave a very brief preliminary account of some experiments that I have been making, along with Sir William Thomson, with ...

Join us on Wednesday, December 9th at noon Pacific for the Vacuum Tube Logic Hack Chat with David Lovett! For most of us, circuits based on vacuum tubes are remnants of a technological history that is ...

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...

GIVEN a well-equipped physical laboratory and an ex pert glass blower as assistant, one could pass many a pleasant hour in repeating the experiments described in this little book. The phenomena ...

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