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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. The small width of the beam and the low power of typical laser pointers make the beam itself invisible in a ...
Laserglow Technologies. Laserglow Technologies is an optoelectronics company headquartered in Toronto, Ontario, Canada, specializing in the sale of lasers, particularly DPSS and collimated diode lasers. The company markets laser systems and components (including laser pointers, portable lasers, and Laboratory/ OEM lasers), laser alignment ...
Laser pointers in different colours. Many scientific, military, medical and commercial laser applications have been developed since the invention of the laser in 1958. The coherency, high monochromaticity, and ability to reach extremely high powers are all properties which allow for these specialized applications.
The vast repository of content on Comedy Central’s website — dating back 25 years — has been removed by parent company Paramount Global, in a move to push fans to Paramount+. The site, at ...
June 26, 2024 at 4:43 PM. A federal judge on Tuesday rejected a $30 billion antitrust settlement under which Visa and Mastercard agreed to limit fees they charge merchants that accept their credit ...
This year's total number of tornado reports stands at 1,008 on Memorial Day, higher than any year-to-date total since 2011. The historical average number of tornadoes by May 27 is 731. The ...
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Typically, the sale of laser pointers is restricted to either class 3A (<5 mW) or class 2 (<1 mW), depending on local regulations. For example, in the US, Canada and the UK, class 3A is the maximum permitted, unless a key actuated control or other safety features are provided. In Australia, class 2 is the maximum allowed class. However, because ...
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