Great Inventions, Creative Designs

What will we think up next?
Something good I hope...

http://www.youtube.com/watch?v=cbEKAwCoCKw

http://www.youtube.com/watch?v=lZ9uT23ixLc

http://www.youtube.com/watch?v=9n7G0q0uzgQ

http://www.halfbakery.com/

http://www.powernapkit.com/

http://www.youtube.com/watch?v=LSClmgcxD0c&feature=related

http://www.vat19.com/

http://www.youtube.com/watch?v=Hs7Ro5nB_YM