Daily Science Factlet – Lasers

Today’s factlet on lasers is rather short and sweet, but if you want to find out a bit more, have a watch of the video below.

When you see the beam coming out of a laser pointer, or any other laser for that matter, whether it’s in a DVD player or a supermarket scanner, you’re only seeing 1% of the light that is actually being produced inside the laser itself.

This Naked Science Scrapbook explains more about lasers, how we produce them and what we use them for – enjoy!



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