__1803: __English chemist-physicist John Dalton starts using symbols to represent the atoms of different elements. Dalton, considered the father of modern atomic theory, made a logbook entry that day ...

It has been long thought that one of the characteristics that makes humans unique is our ability to learn and manipulate symbols for communication. However, this notion is starting to slowly unravel.

Thomas Edison is noted in history for his many inventions, including the light bulb. But many people are unaware that he is credited for inventing the ticker tape machine that was used to broadcast ...