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Abstract:
In the last few years there have been a number of significant developments in research towards the detection of gravitational radiation from astronomical objects. The construction of 3 large-scale (3- or 4-km) interferometric detectors has been funded; new high-sensitivity bars are under construction; there is a serious proposal using two interferometers has been used to put the data from the first coincidence observation using two interferometers has been used to put upper limits on gravitational wave bursts; and new theoretical studies of the relativistic two-body problem have shown that observations of the coalescences of two neutron stars or black holes from binary orbits can provide detailed information about the stars' masses and spins –– but only if we can solve the two-body problem better than we have done so far. These developments are reviewed here.
