Whilst testing a myth of an easily available explosive material, the Mythbusters found out one that was so explosive that they destroyed all the footage and agreed to never say what they had learned.

Gas Cylinder Safety THE DESTRUCTIVE POWER OF A PROJECTILE CYLINDER Always check that the cylinder valve is not damaged or loose since the cylinder may become a projectile. This video from MythBusters shows the destructive power of a projectile cylinder. Cylinder valves must always be protected from being hit or damaged. Cylinder necks and caps are needed to protect the valve. Make sure the cap is secured before moving the cylinder onto the hand truck. credits: Youtube Hai-Yue Han (https://www.yo

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