In any case, it's one of the reasons why an engine's performance can vary, potentially leading to incorrect conclusions about ...

Most measurably, as altitude increases ... so as water vapor increases, the density of air decreases. Temperature also changes the density of air. As air gets warmer it expands and becomes ...

During a recent trip to Bhutan, [electronut] wished for a device that would show the temperature and altitude at the various places he visited in the Kingdom. Back home after his trip, he built ...

Density is usually calculated using a mathematical function of temperature, salinity, and pressure, sometimes called an equation of state. For many years the internationally accepted standard for ...