Is That A Big Number?

If Energy in boiling a kettle (672 kJ) was a standard unit ...

Energy released by metabolising 1g of carbohydrate (17 kJ)...more would be 1/40 of Energy in boiling a kettle

Energy released by metabolising 1g of protein (17 kJ)...more would be 1/40 of Energy in boiling a kettle

Energy in an Olympic Hammer throw (3.4 kJ)...more would be 1/200 of Energy in boiling a kettle

Yes, there's now a book based on these numbers. Oxford University Press: July 2018.