PHYSICS/BK21 Colloquium[09.09.04]
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" “Extraction of Energy from a Black Hole”
♦Speaker : Prof. Chul Hoon Lee [Hanyang University]
♦Place : Physics Seminar Room (Science Bldg, 3-201)
♦Date & Time : Sep, 4(Fri) 4:00 ~ 5:00 pm
Abstract
A black hole is a general relativistic object whose gravitational pull is so great that
nothing, not even light, can escape after having fallen past its event horizon.
Despite its interior being invisible, a black hole may reveal its presence by playing
the role of energy supplier in such astrophysical phenomena as AGN, quasars and
gamma-ray bursts. In this talk, I will explain characteristic features of black holes
and discuss some mechanisms by which energy can be extracted from them.
Contact Person : Prof. Ki Bong Lee (054-279-2068, kibong@postech.ac.kr)"
♦Speaker : Prof. Chul Hoon Lee [Hanyang University]
♦Place : Physics Seminar Room (Science Bldg, 3-201)
♦Date & Time : Sep, 4(Fri) 4:00 ~ 5:00 pm
Abstract
A black hole is a general relativistic object whose gravitational pull is so great that
nothing, not even light, can escape after having fallen past its event horizon.
Despite its interior being invisible, a black hole may reveal its presence by playing
the role of energy supplier in such astrophysical phenomena as AGN, quasars and
gamma-ray bursts. In this talk, I will explain characteristic features of black holes
and discuss some mechanisms by which energy can be extracted from them.
Contact Person : Prof. Ki Bong Lee (054-279-2068, kibong@postech.ac.kr)"
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