Has GEO600's laser probed the fundamental fuzziness of space-time?
http://www.newscientist.com/article/mg2 ... print=true
DRIVING through the countryside south of Hanover, it would be easy to
miss the GEO600 experiment. From the outside, it doesn't look much: in
the corner of a field stands an assortment of boxy temporary buildings,
from which two long trenches emerge, at a right angle to each other,
covered with corrugated iron. Underneath the metal sheets, however, lies
a detector that stretches for 600 metres.
For the past seven years, this German set-up has been looking for
gravitational waves - ripples in space-time thrown off by super-dense
astronomical objects such as neutron stars and black holes. GEO600 has
not detected any gravitational waves so far, but it might inadvertently
have made the most important discovery in physics for half a century.
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