Smoke
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Halo WX, a new smoke detector just hitting the market, features all of the smoke and carbon monoxide detection one would expect, while also adding in alerts for natural disasters.
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FreshAir's AirGuard uses sophisticated polymer technology to detect and rat out illicit tobacco and marijuana smokers. Targeted at the hotel market, AirGuard could also be a big hit in workplaces, public housing, college dorms, jails and anywhere else where smoking is restricted.
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The idea of getting caught in a building fire is terrifying. The 5aver won't help douse the flames, but the grab-and-go combination of lantern, alarm and mask is designed to help you find your way to safety in a hurry.
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The Sense+ is a smartphone dock that packs built-in smoke and gas detection sensors to sound an alert in the event of fire.
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A vibrating helmet that uses ultrasound to detect walls and other obstacles is being designed to help guide firefighters through smoke-filled rooms.
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Scientists have created what they claim is the world's first secondhand tobacco smoke sensor that records data in real time.
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A new smartphone app measures air pollution in its user's vicinity.
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Katabami Crafts has created a free "Smoking Map" iPhone application.
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Firescuba is a cardboard cup-shaped device that filters out poisonous smoke and gives wearers a greater chance of surviving an unexpected fire-related disaster.
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Completely eliminating all the interference a traditional microphone causes in its reproduction of sound, David Schwartz's laser/smoke microphone concept looks set to usher in a new era of transparent audio reproduction.