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Post: What is it with quantum computers?

John Stag

What is it with quantum computers? 

In Boffins develop quantum-computer building block

Why is such a massive amount of "air time" given to quantum computers?

There's only half a dozen known problems which can be solved by quantum computers, and only two of those will definitely work - number factoring and discrete logarithm.

From a theoretical point of view it's interesting but is this really useful to anybody?