Word: ands
(lookup in dictionary)
(lookup stats)
Dates: during 1990-1999
Sort By: most recent first
(reverse)
In response to Germany's growing anti-Semitism, he became a passionate Zionist, yet he also expressed concern about the rights of Arabs in any Jewish state. Forced to quit Germany when the Nazis came to power, Einstein accepted an appointment at the new Institute for Advanced Study in Princeton...
Alerted by the emigre Hungarian scientist Leo Szilard to the possibility that the Germans might build an atom bomb, he wrote F.D.R. of the danger, even though he knew little about recent developments in nuclear physics. When Szilard told Einstein about chain reactions, he was astonished: "I never thought about...
Following World War II, Einstein became even more outspoken. Besides campaigning for a ban on nuclear weaponry, he denounced McCarthyism and pleaded for an end to bigotry and racism. Coming as they did at the height of the cold war, the haloed professor's pronouncements seemed well meaning if naive...
Toward the end of the 19th century scientists believed they were close to a complete description of the universe. They imagined that space was filled everywhere by a continuous medium called the ether. Light rays and radio signals were waves in this ether just as sound is pressure waves in...
Soon, however, discrepancies with the idea of an all-pervading ether began to appear. You would expect light to travel at a fixed speed through the ether. So if you were traveling in the same direction as the light, you would expect that its speed would appear to be lower...