MECHANICAL ENGINEERING ON KNOL

http://knol.google.com/k/narayana-rao-kvss/mechanical-engineering-knol-sub/2utb2lsm2k7a/1414#

Knol, a google platform, has 250,000 articles.

Good articles on mechanical engineering are listed in the directory.

Solar Energy to be the Key Energy by End of this Century

60% of the energy output will be from the solar energy by the end of this century.

Solar energy engineering will be a big subject.