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Can This Electrostatic "Vacuum Cleaner" Get Rid of Smog?

Adele Peters

When he was visiting Beijing and looking out at the city's famously terrible smog, Dutch designer Daan Roosegaarde started wondering how he could "draw" with smog. He's created a machine that uses an electrostatic field to suck in smog and create a clear spot in a grey sky—and now Beijing is going to test it out over a local park. Daan admits it's not a full solution, but just something that can help raise awareness by showing very clearly how polluted the surrounding air is.

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