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[ Wed, Apr 16th 2025 ]: AOL
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[ Wed, Apr 16th 2025 ]: CNN
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[ Wed, Apr 16th 2025 ]: STAT
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[ Wed, Apr 16th 2025 ]: BBC
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[ Tue, Apr 15th 2025 ]: Forbes
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[ Tue, Apr 15th 2025 ]: BBC
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[ Tue, Apr 15th 2025 ]: Fortune
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[ Mon, Apr 14th 2025 ]: NDTV
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[ Fri, Apr 11th 2025 ]: Nature
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[ Thu, Apr 10th 2025 ]: SciTechDaily
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[ Wed, Apr 09th 2025 ]: Ukrinform
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[ Wed, Apr 09th 2025 ]: Reuters
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[ Tue, Apr 08th 2025 ]: Yahoo
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[ Sun, Apr 06th 2025 ]: VentureBeat
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[ Sat, Apr 05th 2025 ]: Yahoo
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[ Mon, Mar 31st 2025 ]: SaltWire
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[ Mon, Mar 31st 2025 ]: ExtremeTech
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[ Mon, Mar 31st 2025 ]: BBC
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[ Mon, Mar 31st 2025 ]: NextBigFuture
Active Rockets Compared

How Do Lasers Work, and What Are They Used For?

Lasers, an acronym for Light Amplification by Stimulated Emission of Radiation, operate by amplifying light through a process where atoms or molecules are excited to higher energy levels and then release photons as they return to their ground state. This light is coherent, meaning all the photons are in phase, and can be focused into a very narrow beam. The article explains that lasers are used in a variety of applications due to their precision and power. They are integral in medical fields for surgeries, like eye surgery, where precision is crucial. In industry, lasers cut, weld, and engrave materials with high accuracy. They are also found in consumer products like barcode scanners, DVD players, and laser printers. Additionally, lasers play a role in scientific research, telecommunications for fiber optic data transmission, military applications for targeting and defense, and even in entertainment for light shows. The versatility of lasers stems from their ability to be tuned to different wavelengths, power levels, and beam characteristics, making them indispensable in modern technology.

Read the Full ExtremeTech Article at:
[ https://www.msn.com/en-us/news/other/how-do-lasers-work-and-what-are-they-used-for/ar-AA1BZLX6 ]