YouTube: In 2013, astronomers reported that they’d found what was, at the time, the biggest thing in the known universe
posted by PlayhousePals 7 years 11 months ago • 21 views • 4:22Videos (23) | Sift Talk (0) | Blogs (0) | Comments (1000) |
"Pianos can't be perfectly tuned - it's a mathematical fact!" -YT
posted by messenger 8 years 8 months ago • 566 views • 4:20Professor Mike Merrifield talks about how all the stars of a galaxy move around at the same speed, which would make the the pretty spiral pattern impossible. He explains the "winding paradox" and how then... continue reading
posted by RFlagg 1 decade 2 years 10 months 1 week ago • 2,236 views • 7:43