Have you ever wondered why we use the letter X when we talk about the unknown – X files, X-rays and X marks the spot to name a few.

Terry Moore, the director of the Radius Foundation gives a fascinating and funny account of how this came to be at a TED Talk conference.

Take a look at the TED website for other thought provoking lectures.

If you like it, share it!
Share on FacebookShare on Google+Tweet about this on TwitterShare on LinkedInEmail this to someone


Enter your text here

  • laurie_cunningham_featured
    Laurie Cunningham Statue
  • chadney-bulgin-thumbnail
    Chadney Bulgin
  • 2016-promotional-products-thumbnail
    2016 Promotional Products Catalogue
  • ctv-outside-broadcast-website-thumbnail
    CTV Outside Broadcast