Atmospheric Pressure

2B30.05
Lead Bar

2B30.10
Crush the Gallon Can
*PIRA 200*

2B30.15
Crush the Pop Can

2B30.25
Crush the Can w/ Vacuum Pump

2B30.30
Magdeburg Hemispheres
*PIRA 200*

2B30.33
Magdeburg Hemisphere Swing

2B30.36
Suction Cups

2B30.40
Soda Straw Contest

2B30.45
Card on Inverted Glass

2B30.50
Lift a Stool

2B30.60
Stick and Newspaper

2B30.70
Vacuum Bazooka
*U of M Favorite*