The Physics Philes, lesson 123: Conduction, Convection, Radiation, Oh My!

You know, we’ve been talking a lot lately about energy transfer, aka heat. But we haven’t talked much about how that happens. Let’s fix that now. There are three ways heat can move from one place to another: conduction, convection, and radiation. First, let’s start with conduction. Say you heat …

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Dear Sasquatch: Firewalking

Dear Sasquatch: My mom and my brother went to one of those Unleash the Power of Your Mind seminars, where they have people walking on hot coals. They said it was a whole “mind over matter” thing. I told them I thought the coals were probably not that hot or …