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Laser pointer - Wikipedia

en.wikipedia.org/wiki/Laser_pointer

A laser pointer or laser pen is a small handheld device with a power source ( usually a battery) .... Also, most smaller 593.5 nm pointers work in pulsed mode, so they can use smaller and less powerf...

How Do Laser Pointers Work? - Techwalla.com

www.techwalla.com/articles/how-do-laser-pointers-work

Mar 31, 2015 ... Laser pointers are small devices that emit a beam of light that projects a small, colored dot onto a surface. The main application of a laser ...

www.ask.com/youtube?q=How Laser Pointers Work?&v=ZNUUmb9vdQk
Feb 23, 2012 ... Richard Williams describing how a laser pointer works rbwilliams1000@gmail. com. ... How do lasers work? - Naked Science Scrapbook ...
www.ask.com/youtube?q=How Laser Pointers Work?&v=SB4_IymikL8
Aug 7, 2015 ... Ever wonder how a laser pointer works and how to make one, watch Lord Bicycle explain in simple easy to understand terms how a laser works ...

How do laser pointers work? | Socratic

socratic.org/questions/how-do-laser-pointers-work

Oct 6, 2015 ... See: Minute Physics: How lasers work Here is the inside of a typical inexpensive red laser pointer: And here is the inside of an expensive, ...

What's Your Wavelength? - How Lasers Work | HowStuffWorks

science.howstuffworks.com/laser8.htm

Other lasers, such as diode lasers, are very weak and are used in today's pocket laser pointers. These lasers typically emit a red beam of light that has a ...

How Lasers Work | HowStuffWorks

science.howstuffworks.com/laser.htm

Lasers are used in CD players, dental drills, eye surgery, and even tattoo removal. But what exactly is a laser? Learn about the various types of lasers and how ...

How does a green laser pointer work? (Or: Why are ... - ScopeStuff

www.scopestuff.com/ss_lasr5.htm

(Or: Why are they more expensive than red laser pointers?) Solid state green lasers are a relatively new item to the consumer market, but red laser pointers have ...

The Danger Of Green Laser Pointers - MIT Technology Review

www.technologyreview.com/s/420214/the-danger-of-green-laser-pointers/

Aug 12, 2010 ... Cheap green laser pointers can emit dangerous levels of infrared radiation, according to an investigation carried out by physicists in the US.

How Does a Laser Work - OR Laser

www.or-laser.com/en/how-does-a-laser-work/

Lasers work to amplify a light source and turn it into one powerful, ... This is possible through devices such as laser pointers and can be very fun and educational ...