The Xoom has a built-in atmospheric pressure monitor that Lam thinks could be used to help people navigate large indoor spaces.
Brewis says the trick is to keep them constantly inflated to just above atmospheric pressure.
Including its ability to take gas or steam at 22 atmospheres (22 times atmospheric pressure ) back to one atmosphere in one step.
The standard atmospheric pressure of 760 mm Hg exerted at mean sea level may fluctuate by 15-20 mmHg, under normal weather conditions.
While inside, atmospheric pressure is amplified and the patient is enveloped with 100 percent oxygen.