Braille: Braille is a writing system for blind and visually impaired people. It’s a system that consists of small raised dots that can be read with the sense of touch. This life-changing invention was created by 15-year-old Louis Braille in 1824, who lost his sight in an accident. With this writing system, the blind can read books and even computer screens. The Calculator: At the age of 18, Blaise Pascal invented the first Mechanical Calculator named Pascaline. Though not initially accepted because it was believed it would make people become…
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