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Browsing: At What Distance Can a Laser Burn
How Does a Laser Pointer Work: A Simple Guide to Laser Technology
10 Mins Read27 Views
You’ve probably seen a lot of presentations where the presenter points a red pointer at a wall or overhead projection that is far away. Have you ever wondered how a laser works? Laser pointers are not as complicated as you may think. They have been around for many decades. The basis of the laser pointer is a