Martin Heit invented the white board.
The electric whiteboards were invented by Geaghan Bernard, Atwood Stephen, and Sprague James.
Elijah McCoy
No one. The hover board is not invented yet.
Paul Eisler invented the first circuit board in 1936.
The white board is more convenient than black boards / chalk boards in several ways. Black board or chalk board will not return to its original state without extensive cleaning of the chalk residue. White board when used with the correct pens will clean to a pure white with the appropriate chemicals. Chalk boards generate dust when using and cleaning. Cleaning the chalkboard erasers causes an inhalant irritant. It is messy. White boards do not generate dust and therefore are healthier and less messy. A white board can be edited with a paper towel, rag, dry eraser or even a finger. A white board is light weight, transportable and long lasting. It is economical and convenient.
who invented the white light
It's already been invented.
it was probably invented after some teachers complained about markers smudging on the boards or something like that.So David Martin invented the Smart Board!
raymond
1921
1868