Parametron: 50s Japanese computer that uses neither transistors nor vacuum tubes

	Parametron: 50s Japanese computer that uses neither transistors nor vacuum tubes(ethw.org)
	238 points by xeonmc 11 days ago \| 57 comments
	tl;dr: Summary not available
	HN Discussion: ↑Adding historical detail about NEC's parametron computers and their specifications ↑Parametrons are one of many forgotten alternative computing technologies worth remembering •Related technologies like UNIVAC Solid State and Elliott 803 used similar magnetic core principles ↑Quantum flux parametron is a fascinating and promising modern extension of the concept ~Questioning the article's claim about vacuum tubes having short lifetimes based on personal experience