The laser can burn. For these reasons, it is not recommended to look at it with live eyes.
LEDs, light bulbs and the sun can not burn. More precisely, the sun can, but you have to try specifically.
Amigo: about lasers and the sun with alex agree. By the way, here one root shot a laser show on Sony 2100. the result - Sony is alive, but he now has diarrhea. appeared in six months.