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Mar13-06, 02:54 PM
Sci Advisor
PF Gold
marcus's Avatar
P: 23,232
a simple rather beautiful talk

mentioned in yesterday's TWF #227
Phys.Org News Partner Physics news on
Step lightly: All-optical transistor triggered by single photon promises advances in quantum applications
The unifying framework of symmetry reveals properties of a broad range of physical systems
What time is it in the universe?