Terry Moore: Why Is ‘X’ the Symbol For The Unknown? (Video)
Have you ever wondered why we were taught to use “X” to represent the unknown? I have. Well, Terry Moore shared the answer in a ‘TED’ talk. The title alone intrigued me. So, I watched… best four minutes of watching I have done in while! Awesomenesss! Click above to play the video, and learn something new!
– @ojones1
‘Why is “x” the symbol for an unknown? In this short and funny ‘TED’ talk, Terry Moore gives a surprising answer. Moore is the director of the Radius Foundation, a forum for exploring and gaining insight from different worldviews.’
– TED