Cool Gadgets Shopper – How To Find The Right Laser Gadget
If you want to technically the concept of laser cutting, the first thing you probably need to learn is that LASER is an acronym and expands to light amplification by stimulated emission of radiation. ...
Now that the book cool gadgets LASER: Light one million used correctly points out, uses a laser light source are plenty, but what are you buying it for? You may have seen professors dangles a pen during the presentation and use it to tap the screen. Well, that's the simplest form of a laser light and is often used as a pointing device on slideshows and presentations. It does not matter whether you use red laser and green laser as long as it serves the purpose. The rate of pollution caused by fireworks, it would be nice to have a laser light show instead of smoke and flames across the sky on the Fourth of July or Guy Fawkes' Day. If you're a pyromaniac, you can even choose to use the laser to ignite things such as paper, cardboard, cotton, and matches. Use your creativity to even light a cigarette or a fat Cuban cigar if you are a smoker.
In glass cutting industries, they are used for cutting glass with an impressive amount of precision and accuracy. This has recently been extrapolated to many other industries. If you're in construction, it can even be used to depths and distances from structures. The practical application of science extends to the fields of biology, chemistry and spectroscopy. An ordinary campers can consider the use of LASER beams to scare away wild animals. Unless you are a soldier, you would not be carrying a high power LASER BEAM generator of more than 1 W power, because it becomes a weapon. Battlefields usually has little to do with LASER, which they used as weapons and beacons.
Even if you do not have to be a scientist, a smattering of scientific knowledge will help you understand how LASER is generated. Expansion of the concept provides a very concise description of how a laser beam is created. Let us take you back to the basics of the case, as you know, all matter consists of molecules which in turn is composed of tiny particles called atoms. An atom has a central core made of protons and neutrons, small negatively charged particles called electrons circulating nucleus in a manner similar to the sun and planets in the solar system. This is just a representation of the balanced state of an atom. Consider the atom is heated or has been a bit of energy in one form or another - this means that the electrons in its orbit to go to an excited state resulting in the formation of of an excited atom. If you extrapolate this concept to an object that contains millions of atoms, you have countless atoms in the excited state. But how is the beam of red light generated? The answer is simple - the tendency of atoms to return to its balanced state results in the creation of a light energy packet called a photon. This is something like this - someone gives you money, you get very excited and then decide that you were better off when you had no money and throw it into a lake, except that there are a million other people that you are dumping all their money in a lake. This allows all the photons come together and travel in one direction, it forms a laser beam.
It does not take much to be enchanted by the small laser sources. The cool applications that it attracts people from all walks of life - professors, architects, engineers and builders, security forces and even children. Why? If you have to ask why, it just means that you do not know about laser beams. What could be cooler than being a source of laser light in your hand? You can have light show in different colors and has a lot of fun flashing it into the neighbor's house while he struggles to understand the source of the little red dot lies. You can even stand out from the smoking crowd in lighting your cigarette with a laser light, while people with lighter spirits.
There are different types of laser pointers on the market and their size and structure depends entirely on the application as they are for. For example, the smallest of links commonly used by speakers during presentations. Combination lasers can be used in LED flashlights and even disco lights. If you're a clubber, you would have seen red, green and blue light coming out from the ground to special effects, while the dance clubs. They're a dual or combination lasers. Have you seen the red dots appearing on a person's chest or forehead in movies when he is chased by SWAT teams or special forces? Yes, the laser gun-sights.
If you own a laser pointer, you'd probably shone in the sky and checked to see if you can see how far it reaches. A small laser pointer would probably not even be visible, while a larger light source may extend through a certain distance, the only determinant of the brightness and distance in which a laser beam shines is the power of the beam. Laser Pointers can range from 5mW and go up to 300 mW - these are available to the general public. Attempts to buy beams by a higher power capacity requires you to verify documents stating the reason for the purchase. Higher power laser beams of course expensive. The more powerful cool gadgets get, the more the number of questions as to the danger it represents and the legal issues arising from it. Unless you are a doctor performing a laser eye surgery, you would not want to shine your LASER BEAM directly into someone's eyes, which can cause permanent damage and even blindness. Shine a laser of mediocre power at a single point too long and you will notice that the target is hot. Shining a higher power beam directly on the skin can cause burns and heat boils. This leads us to the next question is whether it is legal, the answer lies in using these beams. You can get arrested for shining laser beams at aircraft and ships list has recently been added to football games when a fan chose to shine a LASER on the ground, which affected the course of the game.
If you just amazed by these things and are just looking to own one of these beauties, eBay or any of these auction sites would be a good choice for you. They are really cheap, but the catch is that you are not going to get product in the ad. So if you are someone who can tell between a 5mW beam and a 20 MW beam, look somewhere else if you do not, go ahead and use auction sites. Let's say you're a professor who wants to acquire a laser source for spectroscopy experiments, in this case, stay away from eBay. Instead, browse through the many online forums that have laser pointers as the central topic. K-Mart, Wal-Mart and Target are good places to start, but you also can visit the websites of specialty shops online to book your jet.
In the market for the latest laser gadgets and cool gadgets? Visit Chinavasion or paste this link to your browser: http://www.chinavasion.com/index.php/cName/electronic-gadgets-cool-gadgets/
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ABOUT THE AUTHOR
Rose Li is the PR Manager for Chinavasion, China's premier dropshipper of wholesale electronics. For western quality consumer electronics at China prices.