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Quantum computing - anyone?

January 6 2018 at 11:00 AM
Johannes Harder Andersen 

 
The modern computer hardware we have today is the result of some unthinkable (at the time) physics. Shockley got the Nobel Price for the transistor. The hardware came about in small steps from semiconductors (the magic) -> transistors -> integrated circuits -> CPU chips we have today. I would call that a bottom up process starting from the basic stuff.

Quantum computing is also the result of some unthinkable new physics, but the situation is almost the opposite. The effort is top down rather than bottom up. We have the all the systems paraphernalia and the cubits for 30 years. But we don’t really have the basic hardware stuff. Yeah, the D-Wave exists for specialised problems, but it’s not a general purpose computer; more akin to an analogue computer.

 
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