Argentina   Brasil   Chile   Costa Rica   España   India   México   Perú   United Kingdom   United States   Venezuela
Boonic  
Buscar en Boonic 
 
 
Laser Pointers for Presentations and Teaching
Share     Comments     Related Links     Related Articles


Laser pointers are very popular amongst business professionals and teachers who use these pointers when giving presentations and teaching in front a group of people. However, these pointers are not always safe and sometime they fall into the hands of the wrong people and they get misused. There have been many reports of the misuse of laser pointers in newspapers. This is around the time when they were first becoming popular as children were buying them to play with them. They were being used in the wrong way. The newspapers were reporting concerns over the safety of laser pointers. Reports showed that there are certain properties of laser radiation that can cause damage. Laser pointers themselves are devices that produce radiation with unique properties. When the radiation that is emitted by a source can be detected by the eye, it produces a sensation of vision. When a person looks at a laser pointer they see a red light being emitted from the front of the pointer. It is this red light that has so many people worried. The laser pointers that are being used by most trained professionals today are lightweight and portable, they are low-powered and usually battery operated. They are hand held devices. The first laser pointers that were being produced were commonly all the same shape. There was a simple straight red line. However, when these pointers became more and more popular, creators of laser pointers began thinking of new and interesting points that the could use. Now you can get a laser pointer that is an arrow shape or a heart for instance. Some pointers will come with a set of changeable tops that can be used when desired. Over the years people have become more and more concerned about the safety of the laser pointer. It has been found that when the laser point is shone directly into the eye then there could be some damage to the eye itself. The risk of permanent eye damage is small, there will be what is a called a dazzling effect in the eye. This may last for seconds or several minutes. It is never a good idea to shine the laser pointer directly into anyone's eye



   Tags: laser, pointers, presentations, teaching,

 
 

Share

 
 

Post Comment

 

 
 

Related Links

pointer pointer | thy last | laser laser | laser | impresora laser | impresora laser | laser | impresora laser | impresora laser | impressora laser |
 
 

Related Posts

In That Day Teaching #096 "The Future: Pandemic Panic or...

Microsoft Wireless Laser 6000 y 7000, dos ratones láser si

Laser Clock, reloj mural láser

Google Presentations.

Google Presentations a lo SlideShare

Google Presentations, ahora por Powerpoint

Los problemas de privacidad de Google Presentations

 
 
Planchita Gama Cp3 Digital Nano Tourmaline Laser Ga.Ma Lcd
Planchita Gama Cp3 Digital Nano Tourmaline Laser Ga.Ma Lcd

$ 219.99
Impresoras Hp P1005 Laser Garantia Oficial Nueva! - Gtiaext
Impresoras Hp P1005 Laser Garantia Oficial Nueva! - Gtiaext

U$S 103.90
Laser Lector Lente Original Playstation 2 - 6gtia - Regalos
Laser Lector Lente Original Playstation 2 - 6gtia - Regalos

$ 99.00
Videocamara Jvc Everio Gz-Mg 330 Disco Rigido De 30gb 2.7
Videocamara Jvc Everio Gz-Mg 330 Disco Rigido De 30gb 2.7

U$S 499.95
Lector Para Sony Playstation 1 Ps One Original Lente Laser
Lector Para Sony Playstation 1 Ps One Original Lente Laser

$ 79.00
Nueva Filmadora Jvc Everio 330 Disco 30 G Laser Touch Cuotas
Nueva Filmadora Jvc Everio 330 Disco 30 G Laser Touch Cuotas

$ 1,699.99
HP | HP | Efectos | Lásers | Con Cable | Kits - Mouse y Teclado | Lexmark | Lectores de Código de Barras | HP | HP | Otros | Lexmark | Samsung | GA.MA | Sierras | Medidores de Distancia | Mouses | Otros | Con Cable | Inalámbricos |