> If my maths is right, that's about 40,000 kcal per person per day, or about 15 times the energy consumption of an average adult. As someone with a physics ba

> If my maths is right, that's about 40,000 kcal per person per day, or about 15 times the energy consumption of an average adult. As someone with a physics background... well... it's within an order of magnitude or two, so that sounds close enough to be probably accurate.