Author here. I did consider doing that. But ended up using elephants for height and mass. I didn't think the volume or area of an elephant was a very useful comparison!
1 Electron volts = 29.8 x the energy released Tsar bomba 69.5 x the energy released by convert 1 Kg of mass to energy. Something is way off, and it's not just the singular/plural of "volt"
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[ 3.2 ms ] story [ 39.1 ms ] threadI think (little) Alex Horne made this
=> 0.914x the recommended daily food consumption for a male human adult (1.09x smaller)
Is this a bug, or am I not eating nearly enough?? ;)
Like a meter, is really easily imagined as the height of a doorknob on a door.