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Why are we only now considering replacements for the transistor?

Soldato
Joined
22 Aug 2008
Posts
8,338
http://www.physorg.com/news/2011-07-reveals-vital-insight-spintronics.html

Spintronics research began a long time ago. We knew CPU design would hit a wall so why have we left it so late to come up with a way forward?

As I get older I'm becoming increasingly bitter about the fact that I'm not seeing the future I was promised in science-fiction. We should have computers based off of crystals like in Stargate by now. And there aren't any flying cars either.
 
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