Once the motor starts spinning, the cheap laser pointer he has aimed at the mirror draws a perfect line across whatever medium he is scanning. His second line laser uses parts donated from an old ...

However, ironically for him, he is alarmed that many green laser pointers are more powerful than they are supposed to be. Sure, you often want a powerful laser, but if you think a laser is safe ...

According to the agency, laser pointers can distract or temporarily ... Jason Ambrosi, president of the Air Line Pilots Association, a union that represents pilots at many major carriers, told ...

Travelers can take single-use battery-powered laser tools on planes in the United States. Most portable devices with dry ...