Sentences with phrase «changes in air pressure allow»

Not exact matches

For decades, scientists thought a key element of generating voice was the Bernoulli effect, the same change in relative air pressure that allows airplanes to fly and curveballs to befuddle batters.

OSSE launched an investigation into the matter after NPR's All Things Considered aired a story which claimed that administrators at Ballou High School pressured teachers to change failing grades and overlook excessive absences in order to allow students to graduate.

That does several things, it allows me to assume a linear gradient of water vapor pressure from top to bottom at steady state (I think), prevents the water from boiling and allows me to adjust the magnitude of the diffusion coefficient of water vapor in air by changing the air pressure so I can get the result I want.