Neil deGrasse Tyson Admits He Was Wrong On Deflategate
It doesn’t happen very often, but astrophysicist Neil deGrasse Tyson was wrong this week. And like any good scientist, he’s not afraid to admit it, correct it and explain himself.
Coach Bill Belichick had said atmospheric pressures and balls being transported from the warm indoors out onto a cold field could have caused them to lose enough pressure to fall below league standards. But Tyson tweeted that to lose as much pressure as the balls did, they would need to be inflated with 125-degree air.
“My calculation used the well-known gas formula that relates pressure to temperature within a fixed volume,” Tyson explained on Facebook on Tuesday. “Quite simply, the two quantities are directly and linearly related. e.g. Halve the temperature, you’ve halved the pressure. Triple the temperature, you’ve tripled the pressure.”
He wrote that his mistake was using absolute pressures instead of gauge pressures. Going by gauge pressures, the balls would need to be inflated with 90-degree air.