“Screen” of the smartphone is a grid of contacts.
In India started selling smartphones equipped with a Braille keyboard. Reporters found that the “Phrases” such “devices” designed for blind people.
According to the United Nations on his page in Facebook, in smartphone technology is implemented “shape memory effect” ‒ the ability to return to original state when heated is called Shape Memory Alloy.
It is reported that the “screen” of the smartphone is a grid of contacts that form the so-called “Braille” ‒ Braille tactile font designed for reading and writing by the blind and visually impaired people.
It is noted that “screen” is a kind of “interpreter” because it can translate normal text into Braille and Vice versa.
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