Nup.  Two people can see the reflection of the light source.  The standard explanation goes on about "virtual images" and so forth, which is, in fact, total bollocks. 

It may not seem so odd if you think about a standard source of illumination such as a torch/flashlight but when you substitute that for a pulsing lazer emitting a single photon, then yes, it is quite odd.

Kawecki's post regarding photons as probably being waves is the best explanation science has come up with yet but it's not entirely satisfactory since the brightest minds in physics aren't sure exactly what a photon is.  Sometimes it's a particle, sometimes it's a wave.

Coppula eam se non posit acceptera jocularum.

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