HowStuffWorks: It's hard to imaging where we'd be without these. 10 Science Experiments That Changed the World: http://is.gd/c6bIb

This message has been sent using the picture and Video service from Verizon Wireless!

To learn how you can snap pictures and capture videos with your wireless phone visit www.verizonwireless.com/picture.

Note: To play video messages sent to email, Quicktime@ 6.5 or higher is required.