* Astronomy

Air Force Restrictions Impact Adaptive Optics
Restrictions imposed by the Air Force on the use of lasers are significantly diminishing the utility of adaptive optics for studying the cosmos, according to a number of astronomers.

"At one time, four or five years ago, we were getting very few restrictions, but more recently that has increased. The impact is we are losing time to do long integrationsIts an accumulated time loss" - Julian Christou, the adaptive optics technician for the Gemini North Observatory in Hawaii.

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