PHYSICIST BACKS INTERSTELLAR TRAVEL USING SPACE SHIPS WITH QUITE LITERALLY A TINY DIFFERENCE TO GO TRILLIONS OF MILES. Nanocraft to reach for the stars Professor Hawking and internet entrepreneur Yuri Milner have unveiled an ambitious plan to fire “nanocraft” into space to reach our nearest neighbouring star system, Alpha Centauri in just over 20 years from launch. Of course, Alpha Centauri is 25 TRILLION miles away (4.37 light years) and it take 30,000 YEARS to reach it using today’s fastest space craft.…