The importance and types of optical fibres

Optical fibers

Optical fiber cable

It is very important to know that the cellphones send and receive information using invisible radio waves which is a technology called wireless because it uses no cables while the fiber optics sends information coded in a beam of light down a glass or plastic pipe .

 

The importance and uses of ipads in education

 iPads in education

iPad in schools

We must  know that iPad is portable and easy to carry , there are many useful apps for teaching and learning in iPads , They have free and cheap educational apps , and They have large screens , So , iPads are very important in the schools and colleges  .