Vahid Pour Ostad

Vahid Pour Ostad writes for Radio Free Europe/Radio Liberty.

  • Escape From Iran

    The story of Hooman Mousavi, who was born in a prison, and whose parents were executed for opposing the regime

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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