MiniGRAIL: first spherical gravitational wave antenna in the world
Since last week, Professor Giorgio Frossati of Leiden University’s Institute of Physics can ‘listen’ to gravitational waves. That is, if such a wave happens to come along. Gravitational waves originate from violent clashes between black holes in the universe and from instabilities in neutron stars.
MiniGRAIL is the name of the first spherical gravitational wave antenna in the world. The ball was made at the Leiden Institute of Physics (LION) of Leiden University. It is the product of years of close cooperation between Frossati’s research group and the technicians of the fine-mechanic and electronic workshop in the Institute. “A result to be proud of”, says Professor Peter Kes, LION’s scientific director.
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