How long would it take to boil the ocean with all the kettles in the UK?

University of Oxford Mathematician Dr Tom Crawford calculates how long it would take to boil the ocean using the method of Fermi Estimation.

Original article by TRM intern Becca Tanner. Becca is an undergraduate student at the University of Oxford studying Earth Science. Read her series of articles on the technique of Fermi Estimation at the links below.