Pantaz

Why not start by telling us how much you know about the process?

Try one of these sites: http://www.freebyte.com http://freshmeat.net http://sourceforge.net

The price difference isn't much these days. However, if you have specific desires -- video editing, gaming, etc. -- you get to pick the components best suited to your needs, rather than settling for what the OEM may offer.

Ultrasonic distance measurment -- http://www.sonin.com/measure45.html (I have one. Very handy.) Laser distance measurment -- http://www.professionalequipment.com/laser-measuring/

He already started another thread with that one... http://www.scienceforums.net/forum/showthread.php?t=33633

No, no, no... Aren't you aware of the Amero?

Try SourceForge, they have a Help Wanted board for non-commercial projects. https://sourceforge.net/people/

FYI: Diagrams and descriptions of most types of magnetic motors, gravity wheels, etc... http://www.lhup.edu/~dsimanek/museum/unwork.htm

Any prize money for that?

Fire is a chemical reaction, not a substance. There is nothing to freeze.

HOAX!! http://www.iesb.net/index.php?option=com_content&task=view&id=5048&Itemid=99 "Mainstream press worldwide picked up on the story and it was featured on countless amounts of TV shows and websites about the dangers of office violence." "But in reality, the two clips are part of the viral marketing campaign from Universal's upcoming big screen adaptation of Top Cows WANTED starring Angelina Jolie, James McAvoy and Morgan Freeman."

You may find some helpful ideas on makezine.com and instructables.com