How to Pop a Balloon in 300 Easy Steps [VIDEO]

The technology we cover at Mashable is usually pretty high tech. It takes some true ingenuity to make a low-tech machine that will catch our eye. But this ridiculously inefficient, over-the-top Rube Goldberg contraption is it.

The Purdue University Society of Professional Engineers team spent over 5,000 hours creating it, which broke their own Guinness World Record for the largest Rube Goldberg machine created.

That included time to peel an apple, juice an orange, toast bread, make a hamburger, change a light bulb, load and play a CD, sharpen a pencil and pour a beverage, all before blowing up and popping a balloon.

What are your favorite Rube Goldberg machines? Let us know in the comments.

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The Purdue Society of Professional Engineers team poses with its world record-setting Rube Goldberg machine.