Paul Halpern's Blog – April 2011 Archive (1)

Historians debate the role of various players in events that happened only hundreds of years ago. Prognosticators are uncertain what twists and turns worldly events might take little more than years, months or even weeks from now. Yet, thanks to the steady, predictable nature of many of the laws of physics, such as Einstein's general theory of relativity, along with space probes and telescopes able to collect ancient light from remote objects, cosmologists feel comfortable discussing events… Continue