Garry Adelman

Garry Adelman is the vice president of the Center for Civil War Photography and the director of history and education at the Civil War Trust.

Video

Where Time Comes From

The clocks that coordinate your cellphone, GPS, and more

Video

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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