You could probably get away using a 5mw laser just for that. 30mw is not a good thing to use with kids about. I don’t think much of this project. Seen it lots of times in different shapes and forms.

Jean Rousseau’s laser-engraving service allows customers to share a ... children’s drawings, ... After about 10 seconds of rapid back-and-forth movements from the laser beam acting as ...

Refraction can cause laser beams to bend along the Earth's surface, making it appear that the Earth is flat. Hotspots ranked Start the day smarter ☀️ Funniest cap messages Get the USA TODAY app ...

Tesla has one simple request, and that is to have cars that have frickin’ laser beams attached to their hoods. That request is now one step closer to being a possibility, as Musk’s electric ...

Physicists have built a tractor beam out of lasers that can both repel and attract objects across distances 100 times farther than previously possible.