Class 3 Laser Pointer 532nm distance use case and usage

The state of wave alignment is called coherence. That's because lasers take advantage of the straightness of light. The light goes straight. Because the laser pointer has a narrow orientation, it will go directly in that direction. Crow Laser Pointer I wanted a crow to be caught by hunting club members and use it as a threat, but I managed to use it longer without rotting. What should I do? What chemicals should I buy and use at a home improvement store? A: You can repel it with a green laser pointer. Previously, it was repelled by a red laser, but now the green effect is...... Red: 100% rejection, green: 100% rejection. In recent years, mysterious weapons have been popping up on the market. Scientists have invented a weapon that can repel birds. You can use the ray principle to scare away crows in the blink of an eye. Scientists have tested and confirmed that a 3,000-megawatt laser beam can definitely repel crows and harmful birds.