This is sort of like the mathematical idea of taking a limit you can't say what happens at infinity, but you can see how it acts as you get closer and closer to it But if you made a laser pointer stronger and stronger, the result would look more and more like what I described. So the right answer is an infinitely strong laser beam isn't a real thing. ![]() Please enable your ad blockers, disable high-heat drying, and remove your devic is best viewed with Netscape Navigator 4.0 or below on a Pentium 3☑ emulated in Javascript on an Apple IIGS at a screen resolution of 1024x1.Laser Pointer is the 729th xkcd comic. ![]() ![]() ] ] ] ] > Laser Pointer (alt-text) It's a lasing cat-vity! | >| Archive Store What If? Abou xkcd: Laser Pointe They will chase the dot as it moves around, sometimes pouncing on it or swiping at it with its claws, however, they will never be able to catch it. ![]() It is common to use a laser pointer as a cat toy because cats are attracted to the dot and attempt in vain to catch it in their paws. This lights up the surface of the Moon with about half a lux of illumination-compared to about 130,000 lux from the sun Explanation. Image URL (for hotlinking/embedding): ] ] ] ] > The laser pointers we're using put out about 150 lumens of light (more than most flashlights) in a beam 5 arc-minutes wide.
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