Laser (Light Amplification By Stimulated Emission of Radiation) - Definition
Laser is an abbreviation for Light Amplification by Stimulated Emission of Radiation. It is an intense, usually focused, beam of light. Lasers are commonly used in data storage and retrieval in computers, such as CD and DVD players. Bar code readers in stores use lasers. Doctors use lasers to do delicate surgery, such as eye surgery. Lasers carry TV and telephone signals over special cables. Metal workers use lasers to cut and weld metal into everything from street light poles to cars.
Top Reasons To Wipe Away Your Internet History
- Information about all the sites you have visited is stored on your computer!
- Every image you have ever viewed, sent or received over the Internet is stored on your hard drive!
- There is a record of every program that you have ever downloaded or used on your hard drive!
- The windows delete button and the empty recycle bin option does NOT completely delete your files!
- Cleaning your History Files improves the speed of your computer and frees valuable disk space!
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