Laser pointers have become commonplace in our society today, though many don't realize how common they actually are. CD/DVD players, copiers, laser printers and bar code scanners that are used at most retailers use laser technology.
Today, laser pointers offer a wide array of uses in numerous industries. Teachers and professionals use them when conducting lectures or speeches where it is often necessary to point to a specific area on a blackboard or projector screen. Doctors, professors and other professionals often use a combination pen/laser pointer for convenience.
What are some of the other uses of laser pointers? They are frequently used in military operations to warn enemy units that are miles away, and are sent after being attached to a firearm. Green laser pointers are commonly used in this application, and intimidate the enemy which is beneficial to protecting our troops. In this setting, they are also effective for painting targets and directing troop movements.
Astronomers find laser pointers beneficial for pointing out specific stars and constellations to others in their group. Instead of trying to explain where the celestial body or star is located by pointing randomly in the air, you can point precisely to the subject within seconds. Green lasers are more visible in this application because red light scatters less in the atmosphere, due to a longer wave length. Human eyes are naturally sensitive to the wave length of green laser pointers, making them easier to see.
Laser pointers are ideal for engineers and site managers in construction and building. They allow important details and features to be quickly identified, which helps the company save money by minimizing errors and cutting down on wasted time. They are also highly useful for aligning objects over long distances, and are frequently used by road construction crews for that purpose.
Law enforcement agencies use laser pointers today as well, as they are a very effective non lethal way of deterring someone who is potentially hostile or dangerous. The beam overwhelms the subject temporarily, causing them to become extremely disoriented. This is effective in law enforcement because any questionable subject can be temporarily neutralized without being injured or using unnecessary force.
Carrying along laser pointers when camping or hiking is a smart thing to do. They provide more light at night than a normal torch, and are lightweight so that they can be carried in a pocket. They can also be used to light a fire in the event of rain and no matches, and are a life saver if you unexpectedly find yourself disoriented in the woods and need to signal for help. Laser pointers can alert someone when there is a problem and are much more visible than an ordinary flashlight.
Those who work in the landscaping or tree-trimming industries also benefit by using laser pointers. These handy devices are great for pointing out areas that are impossible to reach from the ground, so that others can easily see which areas are in need of pruning or other attention. The uses of laser pointers are literally endless, not only for business but for leisure or fun activities as well.
These handy devices are not just for business. Laser pointers can be used in a playful way with pets, especially cats who love to play with string. Pets can play chase and have their fun, while not being put at risk of choking on a string or other potentially harmful material. You can have hours of fun creating patterns on the floor for your pet to chase!
In most people's minds, they see a laser beam as a very narrow line that stays that narrow for as far as the eye can see, though that isn't the case. Even with laser pointers, the pencil-thin stream of light that is emitted broadens gradually the farther out it goes.
Red laser pointers are great for pointing out details when doing it by hand is inconvenient, for example in interior decorating. They are commonly used in low-light or indoor areas and are the most basic of laser pointers. Green laser pointers are particularly popular, because they are highly visible to the human eye.
Green laser pointers have approximately 10 times the visibility of red, making it a popular choice for many industries. A few years ago, green laser pointers were not that common, therefore the price was considerably higher than for red. Now, they still cost a bit more than red but are priced lower than in previous years due to huge demand.
Red laser pointers are the most versatile when used in daily life, and are extremely affordable. They are also designed to be safer than the green variety, especially when used for their intended purpose. No matter which color is most effective for your particular application, laser pointers should be used with care and handled responsibly. When used correctly, laser pointers are very effective for many applications, and have made pointing out fine details so much easier. | 
