Chris Hadfield Continues Being Awesome, Demonstrates How Tears Work in Space [Video]

International Space Station Commander Chris Hadfield isn’t done with informing us about everything we ever wondered about when it comes to living in space. The man’s basically made it his responsibility to answer all kinds of questions about how mundane activities function in an effectively weightless environment, like how to brush your teeth in space. This time around he’s taken it upon himself to explain how tears work in space. Hint: It’s somewhat disturbing.

Relevant to your interests

• Chris Hadfield explains how to brush your teeth in space
• Hadfield also hid Easter eggs in space
• Hadfield plays “Danny Boy” in space

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Rollin Bishop