Shot on July 2, 1881, President Garfield lay dying in a room with the first air conditioner. Naval engineers, whose primary expertise was ventilating mining shafts, had been called in to help the ailing leader. The cooling device they assembled was composed
1. Asked to list the world’s biggest oil consumers, most of us would be correct if we started with the US and China. With the US at 20.5% and China, 11.4% for 2011, we are almost at one-third of world consumption. 2. But then, it gets a bit tricky.