Timeline for Does a photon travel in all directions?
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| Apr 1, 2015 at 23:32 | comment | added | MSalters | Light does behave like a wave, but a "beam" is actually a wave with a main lobe and a small, narrow set of sidelobes. The "laser beam viewed from the side" cannot be explained by this, and furthermore the effect goes away in vacuum. Borilla's answer is right. | |
| Apr 1, 2015 at 21:48 | history | answered | Ricardo Torres | CC BY-SA 3.0 |