Dyson Air Multiplier

Been wondering how that Dyson Air Multiplier works?Here ya' go (now only if some classical music would play it could be much more epic):

[youtube=http://www.youtube.com/watch?v=Ha1z4juJbYc&hl=en_US&fs=1&color1=0xcc2550&color2=0xe87a9f&border=1]

What happens when you add a balloon? ::oooohh ahhhh::

[youtube=http://www.youtube.com/watch?v=4WNcjkZ6d0w&hl=en_US&fs=1&color1=0x006699&color2=0x54abd6&border=1]