News in Brief Tech

A new 2-D material uses light to quickly and safely purify water

In tests, it killed 99.9999 percent of the bacteria in contaminated water

drinking water

PURE WATER  More than 2 billion people around the world lack safe drinking water. Now a new material offers an efficient and environmentally friendly way to purify water using only sunlight.

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By Jeremy Rehm

- More than 2 years ago

Using light, a prototype “green” material can purify enough daily drinking water for four people in just one hour.