Ques. I would like to know what is a laser pointers?

Ans.The word LASER is an acronym meaning light amplification by stimulated emission of radiation. A laser pointer is a mechanism for emitting visible light and is commonly used to project a point of light to highlight items of interest during a presentation. Depending on the strength of the beam from the laser pointer it may not be visible from the side, only when dust particles are scattered within the path of the beam can it be seen; the small width of the beam and low power of typical laser pointers makes the beam itself invisible in a reasonably clean atmosphere, showing a point of light when directed on an opaque surface.

Ques.What dangers are there if pointed in someone's eyes for a few seconds?

Ans. Excessive exposure to ultraviolet light from any source (laser or non-laser) can cause short and long term effects similar to those caused by exposure to Sun Light. However, Laser Pointers come with a variety of strength and can be made safe if exposed to the eyes; Lasers that are built with beam strength of 1mw to 5mw are relatively safe to the eyes.

But caution must always be used when displaying the beam of a Laser Pointer.

Ques. What is a Laser Pointer Presenter?

Ans.The Laser Pointer Presenter is a tool that is used by professional presenters. It is capable of giving the presenter total control over his presentation and allowing the presenter to deliver the message with the full attention of the audience. 

       The presenter can easily determine when to change slides, when to move forward or backward and when emphasis is required in the delivery of a particular point. The presenter can direct the audience attention by using the laser pointer beam. The Laser Pointer Presenter gives the presenter freedom of movement, the ability to interact with the audience while presenting.