Tom Scott Explains How Glaciers Move and Why They Don’t Go Backwards

Tom Scott explained how glaciers move and why the don’t go backwards in a video filmed in the arctic during a trip for Chris Hadfield‘s Generator Arctic.

Glaciologists will find this video obvious. Everyone else… well, maybe I slept through a bit of sixth-grade geography, but I didn’t know this, and I reckon I should have done. Pull down the description for more!