The videos from [styropyro] are always amusing and informative. However, ironically for him, he is alarmed that many green laser pointers are more powerful than they ...

MeerKAT telescope discovers most powerful space laser ever found, detecting a hydroxyl gigamaser 8 billion light-years away using gravitational lensing.

The University of Michigan’s ZEUS is now the country’s most powerful with pulses lasting just 25 quintillionths of a second. The University of Michigan’s ZEUS is now the country’s most powerful with ...

NEW YORK - A 15-year-old boy damaged his eyes while playing with a laser pointer he'd bought over the Internet, say doctors who warn that dangerously high-powered versions are easily available online.

NEW YORK -- A 15-year-old boy damaged his eyes while playing with a laser pointer he'd bought over the Internet, say doctors who warn that dangerously high-powered versions are easily available online ...

ROCHESTER, Minn. -- Mayo Clinic ophthalmologists have found commercially available Class 3A green laser pointers can cause visible harm to the eye's retina with ...