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TIL about Brainport, a technology that allows blind people to SEE using their tongue. The image picked by the camera is processed by a chip which converts it to electro-tactile impulses, sent to the brain through an electrode attached to the tongue

Read more science.howstuffworks.com

via reddit.com

Oj7X TIL Dwayne “The Rock” Johnson’s first WWF persona was Rocky Maivia, a face (good guy). The audience rejected him due to his cheesy character, with chants of “Die, Rocky, die!”. After this, he became a heel (villain), referring to himself in the third person as “The Rock” and insulting the audience.
xJLB TIL J.R.R Tolkien wrote 13 pages of a sequel to Lord of the Rings called The New Shadow, but abandoned it.
VMgR8 TIL that 'Moron', 'Idiot', and 'Imbecile' were once valid Psychology terms for people with low IQ. When these terms entered vernacular usage as insults, they were disused in favor of 'Mental Retardation' which in turn was disused in favor of 'Intellectual Disability'.
nVRo TIL On their very first day of school children in Germany, The Czech Republic and Austria are given a cardboard cone (“Schultüte”) filled with toys and sweets.
LQvnd TIL “bleb” is a real scientific term referring to bulging cell membranes.