Who invented the camera? Who invented braille first and when? Who invented the typesetting machine? Who invented the first automatic calculator in 1642? Who invented the World Wide Web? Who invented the wheel? Who invented the laser printer?
Without it, many people could not日)is on the 4th of January everyread or write.year.1.He is the man5.Nowadays, computers make itwho invented Braille(布莱叶盲文)DAYvery easy for people to read and write usingthat helps blind people read and write.Braille. A blind worker...
Who invented the first wheelchair? The Wheelchair The wheelchairs began in Europe about in the 1100s around the same time the wheelbarrow did. Yet, the first use of a wheelchair by a handicapped individual can be traced back to the 1600s. ...
story suddenly all became clear to me.It was about a blind person,Louis Braille.He lived in a time when the blind couldn't get much education.But Louis didn't give up.Instead,he invented a reading system of raised dots 点),which opened up a whole new world of knowledge to the blind...
Who invented the first calendar? Who made the first computer in India? Where was the first camera invented? Who invented paper? Who invented the first record player? Who invented the first intelligence test? Who invented the first phone case? Who invented the first typewriter keyboard? Who inve...