272 00:22:38,840 --&amp;gt; 00:22:42,080 one day, albert einstein 273 00:22:42,080 --&amp;gt; 00:22:45,880 asked his friend, niels bohr, a danish physicist, 274 00:22:45,880 --&amp;gt; 00:22:50,720 "do you really believe the moon is not there, when nobody looks?"