a device that produces a narrow and powerful stream of light that has many special uses in medicine, industry, etc.
doctors using a laser to perform delicate eye surgery
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Recent Examples of lasersInstead, these are lasers designed to blind satellites or destroy delicate optical equipment.—New Atlas, 13 Oct. 2025 In a statement to Fox News Digital, the Portland Police Bureau (PPB) emphasized that pointing lasers at aircraft endangers both pilots and people on the ground and is prohibited under state and federal law.—Stepheny Price, FOXNews.com, 12 Oct. 2025 They’re used in F-35 fighter jets, submarines, lasers, satellites, Tomahawk missiles and more, according to a 2025 research note from CSIS.—Ramishah Maruf, CNN Money, 11 Oct. 2025 Most data centers today still rely on single-wavelength lasers, which means each fiber can only carry one stream of data.—Aamir Khollam, Interesting Engineering, 10 Oct. 2025 Questioning how any computer can just beam some lasers onto the ground and 3-D-print an entire human being?—David Sims, The Atlantic, 10 Oct. 2025 Beyond their use in magnets, rare earth elements are used in lasers, glass, electronics, and a host of other applications important to modern daily life.—IEEE Spectrum, 9 Oct. 2025 Other techniques available to down drones include using lasers or jamming signals to sever control and navigation links.—Reuters, NBC news, 8 Oct. 2025 Presumably, the same data centers could beam data back and forth using lasers.—Senior Reporter, PC Magazine, 3 Oct. 2025
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