Standard altitude-pressure tables allow mountaineers and ... the density of air decreases. Temperature also changes the density of air. As air gets warmer it expands and becomes less dense ...

Generally, for every 50-degree Fahrenheit drop in temperature, the pressure in your tires goes down by 1-2 PSI. This is also true for a change in altitude, where atmospheric pressure drops the ...

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 ...

NASA's Scientific Balloon Program has returned to Wānaka, New Zealand, for two scheduled flights to test and qualify the ...