Tuesday, March 24, 2009

How CD's Work

The compact disk is an invention that has dramatically changed our lives. Whether we use CD's to listen to music, or just store a massive amount of data, the CD is far superior than previous technologies that existed. For more information on how a CD actually works, check out the link below.

Saturday, March 7, 2009

All the different by products of oil

wind energy

The changes of energy that require fossil fuels but a lot less of them