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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.
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.
Lomak keyboards being used with a head-pointer and a hand-pointer LOMAK is an acronym for L ight O perated M ouse A nd K eyboard. It is an assistive technology device designed for use by people who cannot use a standard computer keyboard and mouse .
Lasers are used in fiber-optic and free-space optical communications, optical disc drives, laser printers, barcode scanners, semiconductor chip manufacturing (photolithography, etching), laser surgery and skin treatments, cutting and welding materials, military and law enforcement devices for marking targets and measuring range and speed, and ...
Laser pointers, even those sold for less than $20 online, can distract pilots or cause flash blindness — of particular danger during takeoff and landing, when many incidents are reported.
Android phones, like this Nexus S running Replicant, allow installation of apps from the Play Store, F-Droid store or directly via APK files. This is a list of notable applications (apps) that run on the Android platform which meet guidelines for free software and open-source software.
This is a list of free and open-source software (FOSS) packages, computer software licensed under free software licenses and open-source licenses. Software that fits the Free Software Definition may be more appropriately called free software ; the GNU project in particular objects to their works being referred to as open-source . [ 1 ]
Mohamed Salah and Egypt, dogged by a talented Senegal team and passionate fans wielding laser pointers for 120 minutes, lost a penalty shootout Tuesday and failed to qualify for the 2022 men's ...