Heat is said to rise. Then why are mountain tops colder?

When heat is said to rise, we are referring to only one of the ways that heat can be transmitted---convection. Focusing exclusively on convection is what creates the conundrum. But what is convection? The warmer molecules of a fluid like air will move apart and become less dense. As a result their weight will be... Continue Reading →

Adding Scientific Insight to a Sensual World

In college, a trick to surviving the rigors of the pure and applied science program was to choose mandatory humanities courses that were not too demanding in terms of work. Ironically, many of the courses turned out to be at least as stimulating as any science subject, and their content stayed with me for life. In one humanities course,... Continue Reading →

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