Video: Watch this demo
Description: This demonstration shows atmospheric pressure.
- Vacuum pump
- Can with appropriate stopper (fitted for vacuum pump)
- Attach the vacuum pump hose to the stopper and plug in the vacuum pump.
- When ready, turn on the vacuum pump.
- Note that the can is crushed by the outside atmospheric pressure (as there is less pressure inside the can now).
- When finished, turn off the vacuum pump.