Which city is most polluted? No one knows

On any given day, a news story might list a city in India as "most polluted." In another story, a city in China may have held the distinction. Then again, maybe Iran hosts the most polluted city in the world, as a recent ...

How electronic skin could help people with disabilities

You might not know what they're called, but you probably use them quite a lot. Virtual buttons, also called soft keys, are on smartphones, ATMs and computer monitors, doing the work of buttons though they are just an image.

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Monitoring

To monitor or monitoring generally means to be aware of the state of a system. Below are specific examples:

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