23rd February 2006, 3:28 PM
http://www.physics.uiuc.edu/People/Facul...ements.htm
Confusing, but the idea is simply that one can gain information about something without actually interacting with it, which in classical physics is completely impossible, even if you are psychic.
Confusing, but the idea is simply that one can gain information about something without actually interacting with it, which in classical physics is completely impossible, even if you are psychic.
"On two occasions, I have been asked [by members of Parliament], 'Pray, Mr. Babbage, if you put into the machine wrong figures, will the right answers come out?' I am not able to rightly apprehend the kind of confusion of ideas that could provoke such a question." ~ Charles Babbage (1791-1871)