Penguins Chase a Laser Light


(YouTube link)

Penguins at the Dingle Oceanworld aquarium in Dingle City, Ireland, get a workout chasing a light from a laser pointer. So fun to chase; so difficult to eat! -via Arbroath

Edward: Cite? Our eyes see green as brighter than red, but I would think a 5mw green laser would have the same effect as a 5mw red one. i.e., not much.
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Green lasers are far more dangerous than red ones. The red are unlikely to cause eye damage, but a green one could blind something. This is not a good idea.
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