17 Tonnes of Spinning Glass: Making the World’s Largest Telescope

This week’s guest video comes from Active Galactic Videos: go subscribe! https://www.youtube.com/ActiveGalacticVideos/ They got to walk on the dish of a telescope: https://www.youtube.com/watch?v=1lfXsN45088 At the Richard F. Caris Mirror Lab, under the football stadium of the University of Arizona, there’s an enormous rotating furnace, keeping tonnes of glass heated as it forms the mirrors for the Giant Magellan Telescope. Here’s a look…

... Show more

This week’s guest video comes from Active Galactic Videos: go subscribe! https://www.youtube.com/ActiveGalacticVideos/ They got to walk on the dish of a telescope: https://www.youtube.com/watch?v=1lfXsN45088

At the Richard F. Caris Mirror Lab, under the football stadium of the University of Arizona, there’s an enormous rotating furnace, keeping tonnes of glass heated as it forms the mirrors for the Giant Magellan Telescope. Here’s a look inside!

Show less
Lots of us have had that internal debate when we're kids: "am I too old to...
Pizza is a universal good, I think we can all agree on that. Even a...
No, it's not a fat pigeon, it's a keruru. And you'd better recognize,...
  Ina Garten, by her own admission, didn't have any particular goals in life growing up. Despite what...