Template:Http://www.beefmasters.org/association history.php. External links. History of the Beefmaster breed - Oklahoma State University; Beefmasters Breeders United homepage
The first hair straightener was invented in 1872 by Marcel Grateu using simple heated metallic rods. Since then, it has gone through several improvements until it got to what it is today. This Site Might Help You.
When hair straighteners were invented, they were heated by fire. Nowadays, hair straighteners have temperature control, are powered by electricity, and some have the ability to straighten wet hair. Therefore, the modern-day hair straightener is an innovation.