A gas (high pressure) will always fill a vacuum (low pressure) until pressure equalizes. You can't have the two next to each other.

Fun fact: this is also how vacuum cleaners work. A pressure drop is created within an inner chamber that forces the air outside (higher pressure) to rush into the vacuum cleaner.

A gas (high pressure) will always fill a vacuum (low pressure) until pressure equalizes. You can't have the two next to each other.

Fun fact: this is also how vacuum cleaners work. A pressure drop is created within an inner chamber that forces the ambient air outside (higher pressure) to rush into the vacuum cleaner.