Speaking as both an astronomer and "a concerned member of the human race," Sir Martin Rees examines our planet and its future from a cosmic perspective. He urges action to prevent dark co...
Edward W. Kolb (known to most as "Rocky") gave the 2009 Buhl Lecture, sponsored by the Carnegie Mellon Department of Physics. In his lecture "Mysteries of the Dark Universe", Ko...
Steven Cowley: Fusion is energy's future
Physicist Steven Cowley is certain that nuclear fusion is the only truly sustainable solution to the fuel crisis. He explains why fusion will ...