This Wearable Pollution Monitor Detects How Dirty Your Air Is
Smog surrounds buildings in Bangkok, Thailand. (Photographer: Brent Lewin/Bloomberg)

This Wearable Pollution Monitor Detects How Dirty Your Air Is

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(Bloomberg Businessweek) -- Thanks to the development of inexpensive sensors, several products claiming to test air quality have hit the market in recent years. Flow ($179), developed by Paris-base...
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