🚀 go-pugleaf

jml@visus.com (Jim Large) writes:
>I am something you all have seen with your naked eyes.
>I am a servant you all have employed. 
>I can travel faster than light (you have almost certainly never
>    seen me do it).

>What Am I?

>[Note: this may be a riddle, but it is *NOT* a joke!]

A beam of light, from a flashlight or searchlight or what have you.
You can make one appear to move arbitrarily fast by swinging it at
whatever rate you please.  Since it's not the spot of light on your
extremely-distant screen that's propagating, it can appear to move
at speeds faster than that of light.
/-------------v--------------------------------------------------------\
| Max Rible   | "There are no personal problems which cannot be solved |
| mxr@dsc.com | through suitable application of high explosives."      |
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