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Children of the Geissler Tube (2023)
The most consequential technology you’ve never heard of 📺
He then spent more than ten years traveling around the German states and Holland as an itinerant glassblower, until he settled in Bonn — according to legend, right next to Beethoven’s birthplace — and began selling scientific glass instruments. Neon-based Geissler tubes were made, again for scientific and entertainment purposes, until Georges Claude, a Paris industrialist who had a business in liquefying gases, realized he was making a whole lot of neon as a byproduct. Very quickly, the “first-generation” digital computers made of vacuum tubes were superseded by transistor-based machines, and likewise for radios and almost all electronic devices, with rare exceptions such as high-end audio amplifiers.
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