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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 ...
Laser safety. Laser radiation safety is the safe design, use and implementation of lasers to minimize the risk of laser accidents, especially those involving eye injuries. Since even relatively small amounts of laser light can lead to permanent eye injuries, the sale and usage of lasers is typically subject to government regulations.
Nd:YAP laser (yttrium aluminium perovskite) 1.0646 μm [7] Flashlamp, laser diode. Surgery, tattoo removal, hair removal, research, pumping other lasers (combined with frequency doubling to produce a green 532 nm beam) Nd:Cr:YAG laser. 1.064 μm, (1.32 μm) solar radiation. Experimental production of nanopowders.
Many states are failing to track how frequently children in foster care facilities are abused, sexually assaulted or improperly restrained, leaving them vulnerable to mistreatment, the U.S. Health ...
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
Craigslist has provided people on all sides of prostitution -- solo prostitutes, pimps, law enforcement, and customers -- a clearinghouse to advertise and connect. Attorneys General from across ...
As You Sow and the University of Waterloo looked at the 401(k) plans of 12 tech companies, including Amazon, Apple, Google, Meta, Microsoft, and Netflix.
eBay was founded as AuctionWeb in California on September 3, 1995, by French-born Iranian-American computer programmer Pierre Omidyar as a hobby to make some extra money. One of the first items sold on AuctionWeb was a broken laser pointer for $14.83. Astonished, Omidyar contacted the winning bidder to ask if he understood that the laser ...
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