- Water stops bullets: confirmed
- You can do a full 360 on a swingset: mythbusted
The surprising thing about the bulletproof water was how poorly the high-powered rifles did. The full metal jacket bullets for the high-powered rifles came apart upon hitting the water. Even the dreaded .50 caliber rifle was only able to penetrate about 3 ft of water.
I didn't think the 360 swing set myth was that interesting, but if you were patient through the whole episode you got to see them strap rockets on to a dummy in a swing set -- rockets are always good fun on the show. According to host Adam Savage, "Well hopefully that's our job, to strap rockets onto everything"
Detailed episode summary »