the.com/blow dryer

A hand turbine that trades your time for the illusion of effortless hair.

means A handheld electric device that blows heated air to dry and style hair.

from A straightforward compound of 'blow' (to force air) and 'dryer' (a thing that removes moisture), emerging alongside the rise of handheld hair dryers in the mid-20th century as home styling tools modeled on salon equipment. No hidden story here — the name just does exactly what the machine does.

invented
early 1900s, modeled on vacuum cleaners in reverse
heat source
nichrome wire, same as toasters
pro trick
cool shot button locks the style in place
myth
high heat does not dry hair faster, just damages it
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