Access to clean, safe drinking water is a global problem: as water.org notes, 663 million people lack access to water that’s safe to drink. That’s twice the population of the United States, or one person in every ten. Additionally, a recent review of rural water system sustainability in eight countries in Africa, South Asia, and Central America found an average water project failure rate of 20-40 percent. It’s no surprise that the search for a solution to this crisis preoccupies scientists the world over, but what you may not have expected is that, in a lab in Cardiff University, researchers are using Raspberry Pi to help in their efforts to bring safe drinking water to some of the poorest areas of the world.
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