The size of the new e-cigarettes can be seen in relation to the hands. The top one is operated by a 1,100-milliamp battery and the bottom is a 650 milliamp.
MOUNT VERNON — E-cigarettes are becoming a popular alternative to smoking cigarettes. But, what are e-cigarettes, exactly?
E-cigarettes work when the user inhales through a mouthpiece. The air flow triggers a small, battery-powered heater, which vaporizes liquid nicotine held in a small cartridge. Users can also chose flavored cartridges that contain no nicotine.
The heat also vaporizes propylene glycol, the stuff used to produce theatrical smoke.
The user gets a puff of hot gas that feels a lot like tobacco smoke, a light imitates the burning end of a cigarette or cigar, and the artificial smoke give the appearance of regular smoking.
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