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July 2nd, 2009
Dan Falk explores the idea of time travel and reveals why scientists don’t rule the possibility out.
Dan Falk explores the idea of time travel and reveals why scientists don’t rule the possibility out.
Marek Kukula and Rob Edwards look ahead to the International Year of Astronomy 2009. Find out what this year-long celebration of astronomy is all about, what’s in store at the Royal Observatory, Greenwich, and what’s going on around the UK.