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 ...

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 ...

As part of their ongoing "What If?" series, Randall Munroe of xkcd and Henry Reich of MinutePhysics looked at what might ...

The brilliant Green laser pointer is powerful and easy to see, even on LCD and Plasma displays and in brightly lit rooms. The LCD display with timer lets you manage your time with silent ...

For example, a red laser pointer may consist of only a 671 nm laser diode, batteries to power the diode, and a simple lens to collimate the output beam. (Note that this is possible because the laser ...

Getty/southerlycourse Laser pen beams can travel many kilometres Less powerful laser pointers can cause temporary blurring of vision but are very unlikely to directly cause serious injury.

KADENA AIR BASE, Okinawa — Japanese police are investigating reports from the 18th Wing that laser pointers were aimed at two of its aircraft in the air on Tuesday. Okinawa Prefectural Police ...

laser pointers and the lasers that are used for transmitting telecommunications signals. What they offer is low electrical-power consumption, a long lifetime, high stablility when operated in ...