Changes

The use of lasers is very important in [[science]] and [[medicine]]; they have also become ubiquitous in [[CD-ROM]] and [[DVD]] players and as pointers. <ref>http://lisa.jpl.nasa.gov</ref> They're also used in bar code scanners.

The use of lasers is very important in [[science]] and [[medicine]]; they have also become ubiquitous in [[CD-ROM]] and [[DVD]] players and as pointers. <ref>http://lisa.jpl.nasa.gov</ref> They're also used in bar code scanners.

In recent years, lasers have even become a seemingly effective weapon for certain militaries. They seem effective against a variety of targets, including planes, missiles, and ground vehicles.<ref>http://edition.cnn.com/videos/us/2015/03/05/orig-lockheed-martin-laser-blasts-truck.cnn</ref><ref>http://edition.cnn.com/2014/12/11/tech/innovation/navy-laser-weapon/index.html</ref><ref>http://www.popsci.com/tags/laser-weapons</ref>

In recent years, lasers have even become a seemingly effective weapon for certain militaries. They seem effective against a variety of targets, including planes, missiles, and ground vehicles.<ref>https://edition.cnn.com/videos/us/2015/03/05/orig-lockheed-martin-laser-blasts-truck.cnn</ref><ref>https://edition.cnn.com/2014/12/11/tech/innovation/navy-laser-weapon/index.html</ref><ref>http://www.popsci.com/tags/laser-weapons</ref>

==References==

==References==