My son has had one for a few months and I could never wrap my head around it.
In: Technology
Most of the cheap ones are just an ultrasonic speaker that causes waves and splashing. It’s powerful and fast enough that it makes a fine mist. This mist quickly evaporates into the air to increase the humidity.
Some use heat and just heat and boil the water to make steam.
It reintroduces moisture back into a room/area via evaporation. It’s to help maintain a comfortable balance of humidity that wasn’t there before and prevent your skin, nose, throat from drying up in turn since water always wants to move to a less dense area.
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