We're convinced we were gypped as kids when it came to homemade volcanoes. It turns out we should've been making them out of matches instead of clay, baking soda and vinegar this whole time! With the help of some glue and about 100,000 matches, we see the mother of all homemade volcanoes come to ...

We're sure it's fun to simply build and fire a massive cannon but wouldn't it be better to see what happens after the cannonball is shot? This 7th-grade girl decided to do just that for a science fair project. She and her father wanted to test to see how high the cannonball would go so they ...