So, the reason we didn'tget the interference pattern earlier wasn't becausewe chopped up...
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So, the reason we didn't
get the interference pattern earlier wasn't because
we chopped up the light
into single photons, it was because we
were observing which slit the photons passed through, but how can a photon
know if someone is watching?
get the interference pattern earlier wasn't because
we chopped up the light
into single photons, it was because we
were observing which slit the photons passed through, but how can a photon
know if someone is watching?
Full Transcript
00:00:01.000 --> 00:00:03.263
So, the reason we didn't
get the interference pattern
00:00:03.438 --> 00:00:07.833
earlier wasn't because
we chopped up the light
into single photons,
00:00:08.997 --> 00:00:10.314
it was because we
were observing which slit
00:00:10.488 --> 00:00:13.491
the photons passed through,
00:00:13.665 --> 00:00:17.093
but how can a photon
know if someone is watching?
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Movie Summary
"Cosmos: A Spacetime Odyssey" returns for a second season. Ann Druyan, original creative collaborator to Carl Sagan, serves as executive producer.
