While it’s possible to practice by flashing a red laser pointer and watching where it lands on a paper target, it’s much more rewarding (and objective) to record the hits in some way.

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 ...

(KY3) - We’re looking at the danger of laser pointers. Doctors say they can cause ... Her daughter Rowen says a classmate pointed a red laser in her eye. “Last night I did see colorful dots ...