John Conway

  • What is Canada?

    "If our centenary celebration is to mean anything, it must be about what we are, rather than about what we are not. And this problem of our identity we have yet to solve."

Video

Where Time Comes From

The clocks that coordinate your cellphone, GPS, and more

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Computer Vision Syndrome and You

Save your eyes. Take breaks.

Video

What Happens in 60 Seconds

Quantifying human activity around the world

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