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Marble chases the laser pointer.
A blue laser show module is mounted on a bread board and tested with a number of laser show frames. Courtesy of www.dragonlasers.com
Tattooed Gadgets tatuando con laser un ipod con una foto de depeche mode
Who needs to take the dog for a walk when you have a laser pen
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A tutorial on burning ability of high power green lasers at different power levels. Narration & live demonstrations included. Laser is from www.dragonlasers.com
A brief introduction of the Hulk high power portable green laser pointer. Lots of burning, cigarette lighting and indoor/out door beam shots. The Hulk is from http://www.dragonlasers.com
Orange Cat Chasing Laser Point
In physics, a laser is a device that emits light through a specific mechanism for which the term laser is an acronym: Light Amplification by Stimulated Emission of Radiation. This is a combined quantum-mechanical and thermodynamical process discussed in more detail below. As a light source, a laser can have various properties, depending on the purpose for which it is designed and calibrated. A typical laser emits light in a narrow, low-divergence beam and with a well-defined wavelength (corresponding to a particular color if the laser is operating in the visible spectrum). This is in contrast to a light source such as the incandescent light bulb, which emits into a large solid angle and over a wide spectrum of wavelength. These properties can be summarized in the term coherence.
The cat That Love to play With Laser beam....
The optical cavity, a type of cavity resonator, contains a coherent beam of light between reflective surfaces so that the light passes through the gain medium more than once before it is emitted from the output aperture or lost to diffraction or absorption. As light circulates through the cavity, passing through the gain medium, if the gain (amplification) in the medium is stronger than the resonator losses, the power of the circulating light can rise exponentially. But each stimulated emission event returns a particle from its excited state to the ground state, reducing the capacity of the gain medium for further amplification. When this effect becomes strong, the gain is said to be saturated.
what happen if the the laser 10 time bigger....
A 55mW Viper laser pointer fails miserably to pop a water balloon. No problem with the laser, just a VERY tough water balloon.
REAL laser eye surgery! For those planning or thinking about getting this done, here's a heads up for you. It's pretty gross but interesting all at once. Don't eat while you watch...
Listen inside of a building hundreds of yards away using a laser.Please rate, comment, and digg!!