2019
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22 hours ago · 1988–present. Richard Crispin Armitage (/ ˈɑːmətɪdʒ /; born 22 August 1971) is an English actor and author. He received recognition in the UK with his first leading role as John Thornton in the British television programme North & South (2004). [ 1 ] His role as dwarf king and leader Thorin Oakenshield in Peter Jackson 's film trilogy ...
22 hours ago · Stephen William Hawking, CH , CBE , FRS , FRSA (8 January 1942 – 14 March 2018) was an English theoretical physicist, cosmologist, and author who was director of research at the Centre for Theoretical Cosmology at the University of Cambridge. [ 6 ][ 17 ][ 18 ] Between 1979 and 2009, he was the Lucasian Professor of Mathematics at Cambridge ...
22 hours ago · The Oklahoma City bombing was a domestic terrorist truck bombing of the Alfred P. Murrah Federal Building in Oklahoma City, Oklahoma, United States, on April 19, 1995, the second anniversary of the end to the Waco siege. The bombing remains the deadliest act of domestic terrorism in U.S. history.
22 hours ago · v = speed of the alpha particle = 1.53 × 10 7 m/s; m = mass of the alpha particle = 6.64 × 10 −27 kg; k = Coulomb constant = 8.987 × 10 9 N·m 2 /C 2; The scattering geometry is shown in this diagram [60] [55]: 106 The impact parameter b is the distance between the alpha particle's initial trajectory and a parallel line that goes through ...
