Physicists have developed a spectral-filtering technique that strips away unwanted extra photons from quantum light sources, ...

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While each product featured is independently selected by our editors, we may include paid promotion. If you buy something through our links, we may earn commission. Read more about our Product Review ...

A filter made from polymer nanothreads blew three kinds of commercial masks out of the water by capturing 99.9 percent of coronavirus aerosols in an experiment. The study compared the effectiveness of ...

Steam's latest Steam Labs experiment is a platform-wide chat filter that obscures profanities and slurs across both Steam chat itself as well as certain games. In a Steam Labs blog post, Valve ...

I reviewed the science kit Global Water Quality: Build Your Own Water Filter ($14, Thames & Kosmos). I thought it was fun and interesting because you can turn your dirty water into clean water. I ...