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.

Tesla has been working on a technology consisting of laser beams installed on vehicles, and other products, to automatically clean debris off the windshield of its cars. No, I am not kidding. If ...

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 ...

This laser shadow behaves like an ordinary shadow in many respects. It follows the shape of the object (the green laser beam) and conforms to the contours of the surfaces it falls on. The team also ...

Scientists agree that laser beam tests in uncontrolled conditions, especially over water, are not a reliable means to prove the Earth's shape due to atmospheric refraction.

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 ...

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