Gregory D. Koblentz

Gregory D. Koblentz is a Stanton Nuclear Security Fellow at the Council on Foreign Relations and Associate Professor in the Department of Public and International Affairs at George Mason University.

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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