He can use his turn to put the coin into the peculiarly quantum state of being both heads and tails at once.
But transmitting single particles or, to be accurate, copying the quantum state of one particle on to another, perhaps of a different kind could one day have less science-fictional uses.
Since B and C have the same quantum states, that means C also has the same quantum state as A. If A and B are different, they will come out of the beam-splitter in one of three different places, depending on exactly which way they are different.
In May Jurvetson invested in Vancouver, Canada-based D-Wave Systems, which aims to build a solid-state quantum computer.
Some physicists have conjectured that the two possible nuclear spins of P-31 make it ideal for use as the basis for solid-state quantum computing.
This extra inefficiency, peculiar to quantum mechanics, arises because the actual state of each nucleus is inherently uncertain.
That's a quantum leap directly from the Esquerra Prison to the majesty of state.
Within the chip, the electrons were condensed into a quantum fluid, which were then excited to mix with photons in a state called a polariton.
Canada's First Quantum Minerals started production at the Kansanshi mine last year, while a Chinese state-owned company has invested in the Chambishi mine.
As a consequence of this additional uncertainty, if the quantum demon makes a measurement of a nucleus which forces it to choose one state or the other, he is creating new information.
Loop quantum gravity, as this rival is known, was dreamed up in 1986 by Abhay Ashtekar, of Pennsylvania State University.
The state of one of these photons was inextricably linked with that of the other through a process known as quantum entanglement.
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