How 15-year-old Louis Braille invented a revolutionary tactile code ... hoping to stop Braille dying out Made by Dayglow Media & Pencil & Pepper, originally published on 14 June 2019 💡 Watch ...
The Graphite Pencil was discovered before 1565, when a deposit of graphite was discovered near Grey Knotts of Seathwaite in Cumbria, England. The locals being traditional farmers found that it was ...