Can lasers be dangerous?

Big Freaking Lasers Read more from
Chapter Physical and Theoretical Chemistry

Definitely. Many lasers used in modern chemistry laboratories are powerful enough to cause a person to go blind after only a fraction of a second of direct exposure to the eye. Some are even so powerful that they can burn or ignite objects placed in their path. Laser pointers you can buy in the store are not this powerful, however, so you don’t have to worry about a laser you personally own being quite this dangerous. You should still definitely avoid shining them in your eye, though, because they can be damaging.


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