Hair straightener
device · 1909 · Electric age
Two heated plates that straighten a strand of hair between them; patented in 1909 by Isaac Shero.
What it is made of
- Heating element — has part. A heating element warms the straightener's plates.
- Thermostat — has part. A thermostat holds the plates' temperature.
Things built in a similar way
- Electric iron — works like. Two hot plates smooth a strand of hair the way an iron smooths fabric.
- Curling iron — works like. The same hot metal, only flat: a straightener straightens, a curling iron curls.
How important it is
Rank in the importance rating of inventions: 2019 of 2848, score 19.9 out of 100. Direct links to other things: 4; fields of technology it appears in: 1; things built directly on it: 0. Hall of fame of inventions.
Similar things of the same time and field
- Washing machine (1908) — An electric machine for washing clothes.
- Aluminium foil (1910) — Thinly rolled aluminium.
- Mixer (1908) — Whisking with beaters driven by a motor.
- Paper coffee filter (1908) — Melitta Bentz’s filter.
- Tea bag (1908) — A single serving of tea in a pouch.
- Carabiner (1910) — A steel ring with a gate.
What it has in common with other things
- Hair straightener and gyroscope: what they have in common — a link in 4 steps
- Hair straightener and needle: what they have in common — a link in 6 steps
- Hair straightener and CNC machine: what they have in common — a link in 6 steps