Engineering

Solar-powered device disinfects drinking water in under an hour

For many people living in developed nations, towns and cities take care of ensuring that residents' water is clean and safe. Municipalities have advanced filters and UV light disinfection technologies at their disposal. Some ...

Energy & Green Tech

How electric cars could help tropical cities run on solar

In tropical cities, afternoon thunderstorms can plunge entire neighborhoods into brief moments of darkness. When civil engineer Markus Schläpfer moved to Singapore a decade ago, he recognized these thunderstorms as an emerging ...

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