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  2. Laser safety - Wikipedia

    en.wikipedia.org/wiki/Laser_safety

    A laser warning symbol. 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.

  3. Laws and Lasers: Dangers of Cheap, Powerful Devices ... - AOL

    www.aol.com/2010/06/17/laws-lasers-dangers...

    The Spyder III Pro Arctic looks more like a lightsaber than an ordinary laser pointer. The Laws and Lasers: Dangers of Cheap, Powerful Devices Outracing Regulation

  4. 25 Best and Worst Deals at Walmart - AOL

    www.aol.com/25-best-worst-deals-walmart...

    To help you maximize savings, GOBankingRates asked a variety of experts to list items you should snatch up at Walmart — and items you should steer clear of. 25 Best and Worst Deals at Walmart ...

  5. Electromagnetic radiation and health - Wikipedia

    en.wikipedia.org/wiki/Electromagnetic_radiation...

    Moderate and high-power lasers are potentially hazardous because they can burn the retina of the eye, or even the skin. To control the risk of injury, various specifications – for example ANSI Z136 in the US, EN 60825-1/A2 in Europe, and IEC 60825 internationally – define "classes" of lasers depending on their power and wavelength.

  6. Amid growing anxieties surrounding reported drone sightings, the FBI has issued a warning against a new trend of pointing lasers at aircrafts.

  7. Laser pointer - Wikipedia

    en.wikipedia.org/wiki/Laser_pointer

    Red (635 nm), blueish violet (445 nm), and green (520 nm) laser pointers. 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.

  8. Directed-energy weapon - Wikipedia

    en.wikipedia.org/wiki/Directed-energy_weapon

    Panel discussions on the role of high-power lasers in SDI took place at various laser conferences, during the 1980s, with the participation of noted physicists including Edward Teller. [ 83 ] [ 84 ] A notable example of a directed energy system which came out of the SDI program is the Neutral Particle Beam Accelerator developed by Los Alamos ...

  9. Low-level laser therapy - Wikipedia

    en.wikipedia.org/wiki/Low-level_laser_therapy

    Whereas high-power lasers are used in laser medicine to cut or destroy tissue, it is claimed that application of low-power lasers relieves pain or stimulates and enhances cell function. The effects appear to be limited to a specified set of wavelengths and new research has demonstrated effectiveness at myopia control. [ 6 ]