QED: If I make myself a nice hot cup of coffee, inevitably get called to something ‘more important’ and I’m away for an extended period of time, my cup of coffee is no longer hot. I would expect that, as part of the universes ongoing quest for equilibrium, my coffee would be room temperature, but actually it always _feels_ somewhat colder.
Is this a trick of the mind or is it actually colder somehow?
In: Physics
have you ever gone for a swim and the water seemed fine until your armpits got wet end suddenly you feel cold?
Your skin is comfortable in room temperature ~25C but your mouth, armpits or any cavity of your body (anywhere you can stick a thermometer in) usually is comfortable with your internal body temperature ~36C.
This is why things you touch with your hands feel neutral (since your hands are 25C and what you touch is also 25C ) but when you put it in your mouth it suddenly a 36C versus 25C difference.
**TL:DR Different body parts maintain different temperatures.**
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