(YouTube Link)
Trying to ignore the alarm isn't going to work with the Princess in a Pea Alarm Clock (PPAC). Jeff Saltzman rigged an air compressor to lift up one side of a mattress when it's time to wake up. If the sleeper doesn't get up, s/he'll get thrown to the floor.
Link via Make
UPDATE 12/14/09: I've swapped out the video. Thanks, GlitchEnzo!
But if this works well---- Well.... I made my bed uop in the beams of the roof. So... I'd better NOT have such an alarm.........
http://www.youtube.com/watch?v=V8f4Cias21o
His gadgets included an "early-rising bed," which raised the sleeper to an upright position,
Read more: http://www.smithsonianmag.com/people-places/yosemite.html
Anyway it goes, someone is going to woken up XD
I do like this idea, but i'd have been more impressed if there were an actual testee in the bed. I also agree with felixthecat; if this thing is using a ball to literally LIFT you awake, something is indeed going to wind up broken. Possibly comatose.
I love the name Princess and the Pea alarm clock. Good find, John!