Tim Peake has already conducted a historic space walk, so it’s no surprise he’s onto his next endeavor: explaining how astronauts use the bathroom in zero gravity. On Wednesday, the British space traveller shared a video on Facebook of himself answering what Peake calls the most popular question about his journey. “Take the cap off, turn on the fan and the air flow keeps everything going down the pipe,” he says, holding up a tube connected to a special space toilet. “Simple as that.”
Peake is living on the International Space Station as part of a six-month mission for the European Space Agency.
Read More: Astronaut Tweets David Bowie Tribute From Space
Watch the full video above.
More Must-Read Stories From TIME
- How an Online Pharmacy Sold Millions Worth Of Dubious COVID-19 Drugs — While Patients Paid the Price
- Why Literally Millions of Americans Are Quitting Their Jobs
- Meet the Women Participating in the Study That Could Change Future of Breast Cancer
- Inside the Battle for the Hearts and Minds of Tomorrow's Business Leaders
- An Innovative Washington Law Aims to Get Foreign-Trained Doctors Back in Hospitals
- Why the Ex-Husband of a Missing Chinese Billionaire Is Risking All to Tell Their Story
- Timothée Chalamet Wants You to Wear Your Heart on Your Sleeve
