laser pointer can be used in hiking

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laser pointer can be used in hiking

Message par Admin le Mar 14 Juil - 13:48

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lasers play a pivotal role in our everyday lives, too. The fact is, they show up in an amazing range of products and technologies. You'll find them in everything from CD players to dental drills to high-speed metal cutting mac­hines to measuring systems. Tattoo removal, hair replacement, eye surgery -- they all use lasers. But what is a laser pointer?
In this article, you can know the different uses laser pointer.
Flashlight type of laser pointers , shaped like a normal flashlight, most use lithium batteries. With the laser pointer is different from larger and more convenient to heat and into the module, power is greater than the laser pointers, power, ranging from the tens to hundreds of mW, some even up to 1000mW (1W) or more. As part of the power of the laser flashlight more than 500mW, to industrial and laboratory grade (IV-class), so need to use extra care, it is best to wear safety glasses, but also to avoid laser direct to the skin (the laser can cause skin cancer), that's a easy Combustion products, but also to a safe place to prevent children get.

Laser Pointer Pen are used in robotics, for example, for laser guidance to direct the robot to a goal position by means of a laser beam, i.e. showing goal positions to the robot optically instead of communicating them numerically. This intuitive interface simplifies directing the robot while visual feedback improves the positioning accuracy and allows for implicit localization.
Leisure and entertainment



Entertainment is one of the other applications that have been found for lasers. The most common use of lasers in entertainment can be seen in special effects used in laser shows. Clubs, parties and outdoor concerts all use high-power lasers, with safety precautions, as a spectacle. Laser shows are often extravagant, using lenses, mirrors and smoke.

Laser Pointer Green 1000mw can be used in hiking or outdoor activities. Higher-powered laser pointers are bright enough to scare away large wild animals which makes them useful for hiking and camping.[citation needed] In these circumstances a laser pointer can also serve as a handy survival tool, as it can be used as a rescue signal in emergencies which is visible to aircraft and other parties, during both day and night conditions, at extreme distances. For example, during the night in August 2010 two men and a boy were rescued from marshland after their red laser pen was spotted by rescue teams.

Weapons systems
Accurately aligned High Powered Laser Pointer are used as laser gunsights to aim a firearm.Some militaries use lasers to mark targets at night for aircraft. This is done to ensure that "friendly" and "enemy" targets are not mistaken. A friendly target may wear an IR emitting device that is only visible to those utilizing night vision (such as pilots.) To pinpoint the exact location of an enemy combatant, they would simply illuminate the target with a laser beam detectable by the attacking aircraft. This can be one of the most accurate ways of marking targets.

Lasers Help Identify the Origins of Emeralds
Researchers have recently demonstrated how laser-excited photoluminescence of emeralds can determine their structural properties as well as their place of origin. The study, first published in The Journal of Gemology, aims to provide a clear methodology to gemologists on how to determine whether an emerald is natural or synthesized, as well as establish a natural emeralds' geological origin. Laserglow's LRS 532nm laser was used as an excitation source.

Laser-Assisted Surgery Tool Delivers Large Particles into 100,000 cells per min
Researchers at the University of California, Los Angeles (UCLA) have developed a Biophotonic Lasers -Assisted Surgery Tool (BLAST) that can deliver nanoparticles, enzymes, antibodies, bacteria and other large particles into mammalian cells at 100,000 cells per minute. The delivery of such a large number of particles can help researchers understand the response of cells to external pathogens, the progression of diseases and the cell's defense mechanism against mutant mitochondrial DNA.
The BLAST system generates an array of bubbles that explode in response to laser pulsing. This causes microscopic fissures to appear on adjacent cell membranes through which particles may be delivered.


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Date d'inscription : 14/07/2015

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