Ironically, many of the places that most require water purification have the least-developed infrastructure. That's where a new filtration device comes in, as it's activated by the sun – and it's said ...

A solar-powered electrokinetic filter removes nanoplastics and bacteria using electric fields instead of pressure, offering efficient, low-energy water purification with simple, scalable materials.

There are many parts of the world in which fresh water may be plentiful, but it's also full of harmful microbes. An experimental new filter is able to purify such water for drinking, and it's powered ...

In the future, the solar panels on your roof might sit next to rain-collecting panels that automatically purify water using sunlight, and then send the water into your plumbing. It’s one potential ...