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 lasersThe clinic utilizes injectables, lasers, and advanced aesthetics, alongside regenerative medicine and biohacking, to provide immediate results and long-term skin health and vitality.—Nick Franck, USA Today, 6 Nov. 2025 Short-pulse lasers fire bursts lasting femtoseconds — quadrillionths of a second — packing huge energy into extremely tight time windows.—Neetika Walter, Interesting Engineering, 6 Nov. 2025 He’s not permitted to possess firearms, explosive devices, pyrotechnics, lasers or flashlights.—Ray Sanchez, CNN Money, 2 Nov. 2025 According to aesthetic nurse Eric Nietzel-Leone, this is an excellent post-treatment mask for cooling and calming the skin after lasers or microneedling.—Iman Balagam, Vogue, 30 Oct. 2025 What started as a line to prep and repair post-procedure skin after treatments like lasers and peels has since become so much more.—Christa Joanna Lee, Allure, 30 Oct. 2025 And Japanese-market versions (known as the Toyota Celsior, as Lexus didn’t have showrooms in its homeland until 2005) even offered an adaptive cruise control system that used lasers to sense the distance to the vehicle ahead.—Will Sabel Courtney, Robb Report, 30 Oct. 2025 While lasers aren't the most energy-efficient tools, the beam vaporizes a mere pinhole of ice, meaning the drill uses far less total power than electric heaters.—Samantha Mathewson, Space.com, 30 Oct. 2025 Copson is most widely acclaimed for his theatrical installations, which fuse lasers, sculptures, and sound.—Zac Ntim, Deadline, 28 Oct. 2025
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