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.

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.

Lasers (via laster interferometry) have been used to demonstrate certain laws of physics, such as the fact that light bends around strong gravitational fields. [[http://lisa.jpl.nasa.gov/]]

[[http://lisa.jpl.nasa.gov/]]  

[[category:technology]]

[[category:technology]]