Uploaded January 2018 | Updated September 2026, 2 hours ago
The flat part of a feather has lots of thin slits, and they can cause light waves to interfere with one another, just like they do in Young's classic double-slit experiment. However, because the feather gives you multiple thin slits, the execution of the experiment is very easy and gives you a different (but equivalent) result.
The flat part of a feather has lots of thin slits, and they can cause light waves to interfere with one another, just like they do in Young's classic double-slit experiment. However, because the feather gives you multiple thin slits, the execution of the experiment is very easy and gives you a different (but equivalent) result.










