I remember when I was very young I asked my dad if a refrigerator works by moving cold into the box or heat out of the box and he told me it was the latter. It’

I remember when I was very young I asked my dad if a refrigerator works by moving cold into the box or heat out of the box and he told me it was the latter. It’s a strong memory because he also said something to the effect of that being a good question and at that age, comments like that had an impact on me.