Chris Hadfield Explains How Astronauts Pee and Poop on the International Space Station

Imagine if you were halfway done and someone shut off gravity, it would be a mess.

Former Canadian astronaut Chris Hadfield explains how astronauts pee and poop aboard the International Space Station during a talk at the Ontario Space Centre. The ISS toilet uses airflow to pull urine and fecal matter inside in lieu of gravity, and then the waste is stored and disposed of.

via Tested