At that point, the heat pump is off and you’re using a resistive heater. You can’t just glue an LED to an incandescent lightbulb and call it a 50% efficient incandescent lightbulb.
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Cake day: March 8th, 2025
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Fun fact! Your porn machine can also be used to shitpost.
They can drop all the way to 0 if the temperature difference is high enough. You can’t heat your house with a heat pump if it’s 0K outside.
A heat pump will drop to 100% efficiency in cold enough weather.
A brushless motor only converts ~5% of its input to heat. That’s low enough that you can reasonably call it a side effect.
Now, a computer, that’s a heater that happens to produce math as a side effect. 100% of its input ends up as heat.
minuscule
miniscule
I usually issue retractions by just putting a strikethrough on the text of the comment (using double tildes [~~] on each side).