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A laser pointer or laser pen is a (typically battery-powered) handheld device that uses a laser diode to emit a narrow low-power visible laser beam (i.e. coherent light) to highlight something of interest with a small bright colored spot.
Interactive toys, like a festive laser pointer or a feathery wand, will unleash your cat’s inner hunter and keep them entertained for hours. ... There are even recipes for homemade cat treats ...
Anthony, born on August 20, 1992, [1] grew up in Goodfield, Illinois.Anthony began experimenting with lasers at the age of 12 after learning about them in school. After working for a summer to save for a video camera, he began to record his pyrotechnic experiments with his close friend Josh, and he began posting his experiments on YouTube in 2006.
Combining a pico projector with a webcam, a laser pointer, and image processing software enables full control of any computing system via the laser pointer. Pointer on/off actions, motion patterns (e.g., dwell, repetitive visit, circles, etc.) and more can all be mapped to events which generate standard mouse or keyboard events, or user ...
Another military use of lasers is as a laser target designator. This is a low-power laser pointer used to indicate a target for a precision-guided munition, typically launched from an aircraft. The guided munition adjusts its flight-path to home in to the laser light reflected by the target, enabling a great precision in aiming.
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