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        Q: I have a handheld red laser, but now I just want to buy another one, maybe a laser pointer, any suggestion?
A: Simple . There are multiple reflectors and magnets inside of the device . In a highpowered magnet , electrostatic electricity 's generated via ions and reflective surfacing . The color is the iron in the air reflecting off of the electromagnetically charged particulate . ( I have a master 's degree in physics . ) good luck .