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>Most kids want the thousand bucks, Lee said, but the pennies doubled daily over 30 days eventually adds up to more than $10.7 million.

30 years perhaps?

Anyway, it's cool to hear about Microsoft Research. This quote is especially exciting, since scalability is the main question I've had about quantum computing (and really quantum mechanics as a whole) being viable outside of a lab.

>“The problem of coherence is a major focus of our research here,” Lee said. “Every researcher connected to this field dreams of building a quantum computer. We are not trying to build a quantum computer. Our belief is that trying to build a quantum machine by controlling electron spin and using surface codes is like trying to build a computer using vacuum tubes. Labs all over the world can do that, but you’ll never be able to scale up. We’re taking an outrageously hard, unreasonably difficult approach, and if we succeed – and it’s a big if – then we will have a building block for a scalable quantum machine. We have a chance, a tiny chance but a real chance, to completely upend technology and society in a fundamental way just like the transistor did.”

Edit: oh, wow, I was thinking about the 30 day thing really wrong. Thanks!




> 30 years perhaps? No, 2^30 is 1,073,741,824

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You get all the pennies from previous days too, so it's actually 2^31 - 1.

That said, the children may be correct to prefer $1000 over the pennies. Two billion pennies is not exactly practical.

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(2^30) / 100 = 10737418.24

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