The kilonova briefly mimicked the conditions immediately following the Big Bang, and allowed scientists to confirm the source ...
The Soviets called their first atomic test "First Lightning ... They left the door open so they could watch the blast go off . They knew that they would have time to close the door because ...
Their work to achieve the first nuclear reaction in 1942 marked ... When they were ignored, they founded the Bulletin of Atomic Scientists, housed at the University of Chicago, which ever since has ...