Description
Ioana Munteanu , Roxana Nemes
Electronic cigarettes (e-cigs) in the current form were invented by Chinese pharmacist Hon Lik in 2003 with patents held by the Ruyan company. Typical e-cig setup for a breath activated (pneumatic) inhalation. The cartridge holds a liquid mixture usually containing propylene glycol and nicotine. Inhalation activates a pressuresensitive circuit that heats the atomizer and turns the liquid into a vapour which is drawn through the mouthpiece.The vapour is a fine mist without smoke or carbon-monoxide, which dissipates more quickly than smoke.


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