Many different factors affect the density of air. Most measurably, as altitude increases, air becomes less dense, decreasing atmospheric pressure. Standard altitude-pressure tables allow ...

Back home after his trip, he built this simple Temperature, Altitude and Pressure Display Device using a few off the shelf parts. Following a brief search, he zeroed in on the BMP 180 sensor ...

At this altitude the total air pressure is no longer sufficient to keep body fluids from boiling. - back to the top- Spacesuits for the space shuttle era are pressurized at 4.3 pounds per square ...