Light Amplification by Stimulated Emission of Radiation

Light Amplification by Stimulated Emission of suals * Radiation "It's proven through statistics - content marketing is vastly more effective through infographics and What do we use them for? Reading Discs; CD's, DVD's, Video Games etc. all have small unseeable bumps and flats on them. We need lasers in everything to help read them and turn them into what we see or hear! Barcodes: All items have them! But without lasers we wouldnt be able to scan them. Each bar code correspondes to something in a Weapons and targetting: In modern warfare we use lasers more and more, from targetfing on guns (red dot sights) to missles (laser guided). Medical: We use lasers in medicine and the medical sector more than anywhere! From eye surgery, laser scalpel to dentisry! Laser Facts The world's most powerful laser has the power of a hydrogen bomb. There is now a laser which can detect cancer and diabetes; it is called the 'breathalyzer'. 1 By using a good laser, an object at a distance of 1km (0.6 miles) can be illuminated with a dot of around 60 mm (2.3 inches) in radius. The first time lasers were used commercially was in 1974 when they were utilised in supermarket barcode 4 scanners. Lasers cannot be seen in space because they have no matter. The matter causes the scattering effect which would actually give the appearance of a light bulb. Lasers are used in 6 engraving, to destroy and kill tumours and also to remove hair. The first toy to have a weak laser beam incorporated into its design was the Star Trek 'Phaser' gun which was first sold in 1979. 8 Using lasers it is possible to get sequencing information about DNA from a single molecule. Laser tag or Laser Quest type games were developed as a non lethal training programme for the US army in the 1970s. These Days laser tag is generally used a a fun day out for the family. A laser beam can be developed to be hotter than the 10 surface of the sun. Visual is the shortest form of telling a story, as people's attention span is between 3 to 8 seconds. Source: http://www.waspbarcode.com/buzz/how-barcode-scanners-work/ http://www.subconlaser.co.uk/news/50-fascinating-things-you-never-knew-about-lasers/ http://www.flaticon.com