![VIDEO: Here’s What A GoPro Sees When It’s Shot Out A Cannon And How To Do It Yourself](https://outdoors360.com/wp-content/uploads/2018/11/img_5486.jpg)
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 ...
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