Back up a sec. In the, single photon, single-slit demonstration, you're aiming the photon at the slit. In the single photon, double-slit experiment, where are you aiming the photon? Jacotus: Will do.
The classic double-slit experiment of quantum physics involves shining light through two narrow gaps to show that it can behave as a wave – now it seems the slits can be entirely replaced by a single ...