It is dangerous to look at the beam of a laser while it is in operation.

Typically, an insult is applied to the brain either via direct stimulation (e.g. kindling [1 ]), focal application of a toxin (e.g. tetanus [2 ]) or systemic administration of a proconvulsant agent (e.g. kainic acid [3 ], pilocarpine [4 ], or pentylenetetrazole [5 ].

look, look! is not he blest That gets a seat in eye-reach of him? more, That comes in ear, or tongue-reach?

For quotations using this term, see Citations:Noh.