How many layers of bubble wrap do you need to survive jumping out of a building.

39.

http://www.wired.com/wiredscience/2011/09/jumping-off-a-building-with-bubble-wrap/?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+wired%2Findex+%28Wired%3A+Index+3+%28Top+Stories+2%29%29