AIR
'(<a href="http://www.j-archive.com/media/2007-11-21_J_29.jpg" target="_blank">Kelly of the Clue Crew does her own experiment</a>).  This type of air powers air guns and air brakes and gives an ordinary drinking straw <a href="http://www.j-archive.com/media/2007-11-21_J_29a.jpg" target="_blank">incredible strength</a>'
compressed air