How The Arecibo Telescope Could Help Save The World

The radio telescope at the Arecibo Observatory in Puerto Rico can do something that most radio telescopes can't: it can transmit. And that's useful for something other than sending messages to the stars: it might just help save the world one day. More about the Arecibo Observatory: http://www.naic.edu/ Behind the Scenes, including helmet-cam footage of the walk to the telescope, over on the Park Bench:    • Behind the Scenes at the Arecibo Radio Tel...   Camera and audio mix: Matt Gray http://mattg.co.uk Animation: Mat Hill https://mat-hill.xyz/ Edited by: Michelle Martin    / @onthecrux   🟥 MORE FROM TOM: https://www.tomscott.com/ (you can find contact details and social links there too) 📰 WEEKLY NEWSLETTER with good stuff from the rest of the internet: https://www.tomscott.com/newsletter/ ❓ LATERAL, free weekly podcast: https://lateralcast.com/    / lateralcast   ➕ TOM SCOTT PLUS:    / tomscottplus   👥 THE TECHNICAL DIFFICULTIES:    / techdif