Watch Atmospheric Pressure Savagely Crush A Steel Barrel Atmospheric pressure crushes things. Facebook Prev Article Next Article Experiments Checkout these cool gadgets... Related Posts Cup That Holds Water but Can’t Hold Mercury Magnetic Dart Launcher Is Very Satisfying to Watch 4 Way Stop Vs Roundabout – What Is More Efficient? How to Make a Cloud in a Bottle 7 Most Bizarre Experiments Of All Time A pound of sodium metal in the river