TEDx

Catching Sunlight: A TEDx Talk by DIY Solar Photographer Alan Friedman

Video poster frame shows Alan Friedman's 90mm hydrogen alpha telescope setup -- nicknamed "Little Big Man" -- on an Astro-Physics…

12 years ago

The Audacity to Dream

Making its debut at the TEDxISU (International Space University) event on July 6, the video above is an inspirational call-to-arms…

12 years ago