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Lo and finally behold: this somehow cute-looking but still untested see-through oven !

#OtherSemiconductors #79 #SystemsThatMatter

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Like in many languages, the Dutch word for potassium is 'kali', from the Arab القالِي, al-qaly, for calcinated ashes. This is strange, because the English word 'potassium' comes from the Dutch 'potas': ash in a pot.

#OtherSemiconductors #79 #SystemsThatMatter

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Not yet tested and calibrated, but almost fully assembled: a power supply that is variable between 100V and 1100V. One of the ingredients of the 1930s experiment that I am trying to re-enact.

#OtherSemiConductors #79 #SystemsThatMatter

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Part of the proceedings today was finishing the housing of the 1KV power supply, which took ages. Next is assembling the internals.

#OtherSemiconductors #79 #SystemsThatMatter

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The proceedings of the first symposium on the history of semiconductors, held in 1979 when most of the people involved in the beginning were still around.

#OtherSemiconductors #79 #SystemsThatMatter

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Fortunately I was able to repair this fairly scary 1KV power supply.

#Spellman #OtherSemiconductors #79 #SystemsThatMatter

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