The Big Necessity

Source: BBC Bill Gates is, in a manner of speaking, flushing his money down the toilet. His charitable organisation, the Bill & Melinda Gates Foundation, is looking for future loos that can improve sanitation around the world. At the Reinvent the Toilet fair, hosted at its Seattle campus this week, designs included a lavatory that used microwave energy to turn poo into electricity. Another turned excrement … Continue reading The Big Necessity