S.Korea builds underground physics lab to explore universe
The lab encompasses 3,000 square meters in area, which could house more than 10 types of experimental research at the same time, reports Yonhap news agency.
The 31 billion-won ($21.8 million) project, which began in 2017, is aimed at carrying out studies on the creation of the universe and its composition through detecting "dark matter" and measuring the mass of "neutrino."
Dark matter refers to a component of the universe whose presence is discerned from its gravitational attraction rather than its luminosity. It accounts for some 30 per cent of the matter of the universe, but the precise nature of the matter is not currently known.
A number of researchers have made effort to detect and measure the properties of the weakly interacting massive particles, a hypothesis about what dark matter could consist of, but have come up with lower-than-expected outcomes so far.
A neutrino is a very small electrically neutral particle that is part of elementary fermions consisting of the fundamental forces of the universe.
Most of the essential nature of neutrinos has also remained unknown, and the IBS researchers will carry out studies on the issue at Yemi Lab.
The IBS said the underground facility will help its researchers detect the signals of these little-known materials without interfering background noise or rays from outside.
Many advanced countries have such subterranean research facilities, including the U.S. Sanford Underground Research Facility located 1,478-metre underground and Canada's Sudbury Neutrino Observatory Laboratory 2,300-metre underground.
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