My old apartment had extremely leaky single-pane windows, so in the winter my roommate and I would always cover them with tightly sealed heat-shrink plastic film. Why would the plastic nearly always be bulging inward? [more inside]
posted by Galvatron on Dec 10, 2005 - 18 answers

I have read that airplane cabin pressures are regulated to match the pressure at about 8000 ft. Why is the pressure not regulated to approximate ground level conditions? [more inside]
posted by Galvatron on Aug 2, 2005 - 11 answers