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Class 4 is the highest and most dangerous class of laser, including all lasers that exceed the Class 3B AEL. By definition, a class 4 laser can burn the skin, or cause devastating and permanent eye damage as a result of direct, diffuse or indirect beam viewing. These lasers may ignite combustible materials, and thus may represent a fire risk.
Modified air pistols with laser emitters, 2016 Summer Olympics. The first generation of laser pistols were converted air pistols in which the barrel or air cylinder was replaced with a laser emitter. [8] Initially, the laser signal had a duration of 25.2 ms before changing to a duration of 15.6 ms from 2014 onwards. [9]
To give another example, of a more powerful laser—the type that might be used in an outdoor laser show: a 6-watt green (532 nm) laser with a 1.1 milliradian beam divergence is an eye hazard to about 1,600 feet (490 meters), can cause flash blindness to about 8,200 feet (1.5 mi/2.5 km), causes veiling glare to about 36,800 feet (7 mi; 11 km ...
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The ZM-87 Portable Laser Disturber is a Chinese electro-optic countermeasure neodymium laser device. The ZM-87 was primarily intended to blind humans but was also reported to damage the photo-electric elements in laser rangefinders , videocameras and missile seekers.
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A speaker giving a presentation with an RF pointer in his left hand. Using a wireless clicker, helps the presenter to move freely, instead of being obliged to stay next to the computer, can get closer and keep in touch with the audience, watching the presentation together with them, being able to use the built-in laser pointer, in order to emphasize specific points in the dialogue with the ...
Bubble Mouse. Shoot bubbles to save the city from mischievous cats! Unlock 98 puzzles and 6 locations in this free addictive match 3 bubble saga, which includes power-ups, bubble ring mini-games ...