A friend reminded me of this 2011 essay written by the brilliant physicist Tom Murphy. I read it when Murphy first published it but I had forgotten how good it was so I’ve dusted it off in the hope that it sees more daylight. https://dothemath.ucsd.edu/2011/10/the-energy-trap/ Many Do the Math posts have touched on the inevitable … Continue reading By Tom Murphy: The Energy Trap (we all scream for ice cream)