Physicists Unite Light And Matter (Update)

Physicists Unite Light And Matter (Update) from PhysOrg.com

Physicists have for the first time stopped and extinguished a light pulse in one part of space and then revived it in a completely separate location. They accomplished this feat by completely converting the light pulse into matter that travels between the two locations and is subsequently changed back to light.

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Space sunshade might be feasible in global warming emergency

Space sunshade might be feasible in global warming emergency from PhysOrg.com
The possibility that global warming will trigger abrupt climate change is something people might not want to think about. But University of Arizona astronomer Roger Angel thinks about it.
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