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"One can see the free software movement as a precusor for a "free hardware" or "free wetware" movement--one that will provide free libraries of designs for biological or nanotechnological products that replicators can be programmed to churn out."
- Charles Stross
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| EPR Phone | ||
| Telephony that uses quantum effects for transmission - and is therefore the ultimate in anti-eavesdropping technology. |
| After a few minutes of studying his palms, frowning deeply, he picked up his disposable cell and slipped in a new quantum card.
Then he typed in a key code and called a dummy transponder in Nicaragua. The dummy flashed his call to a number none of them knew, which passed it on - again through a quantum EPR cell - to yet another number. It took several seconds to connect to the Quiet Man. |
| Technovelgy from Mariposa,
by Greg Bear. Published by Vanguard Press in 2009 Additional resources -
|
The "EPR" refers to the 1935 Einstein-Podolsky-Rosen thought experiment in which two particle systems interact with each other in a very particular way and are then separated. Position (let's say) is measured in one system, which then determines position in the other; momentum may then be measured in the second system, violating the uncertainty principle.
This entaglement (or "spukhafte Fernwirkung" or "spooky action at a distance" as Einstein called it) has since been proven in experiments.
It therefore follows (sfnally) that communication should be possible in such a way that it cannot possibly be intercepted (look for Sprint's "Spooky Service at a Distance" available soon!).
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'After twenty generations of shillyshallying...'
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'... completely forgetting the ship at sight of the awesome figure and great head of the giant Gaut...'
'So, Ender, we will now begin your education.'
'What strange sensitivity! What an amazing development of science was manifested in every move and act and word of this Robot!'
'Forget the head atop it, the legs below, feet, arms, hands. It compels erasure.'
'That explains how it was so easy for me to remain motionless in midair or to perch on a flagpole in imitation of a giant bird, even in the windy city of Chicago.'
