“There is nothing noble in being superior to some other man. The true nobility is in being superior to your previous self.” Probably W.L. Sheldon, US lecturer on ethics (1858 – 1907) rather than Ernest Hemingway.
Friday, 21 February 2014
Do black holes exist?
Notion of an 'event horizon', from which nothing can escape, is incompatible with quantum theory, physicist claims.