Red sprites, secondary jets and newly discovered green afterglow called "ghosts" triggered by red sprites. A dozen vibrant red sprites were recorded on this evening and only two events had the green afterglow.... continue reading

posted by newtboy 2 years 3 weeks ago • 981 views • 2:32

YouTube Description: Jellyfish don’t have a heart, or blood, or even a brain. They’ve survived five mass extinctions. And you can find them in every ocean, from pole to pole. What’s their secret?... continue reading

posted by Aard Vark (oritteropo) 6 years 10 months ago • 169 views • 2:56

Pachelbel's Canon in D, arranged for Music Box! Three music boxes play the same strip of paper in sequence to create the canon, while the basso continuo is played by a fourth music box playing a loop.... continue reading

posted by Nicki Hansen (gwiz665) 1 decade 1 year 8 months 2 weeks ago • 1,460 views

Pleasant ideas to keep your brain from going idle in class.

posted by GDGD 1 decade 1 year 8 months 2 weeks ago • 7,598 views • 4:25

For anyone who doesn't know already, and wonders why people claim Switzerland is building a Black Hole generator.

posted by demon_ix 1 decade 2 years 8 months 4 weeks ago • 1,775 views • 9:59

Physicist Richard Feynman explains how a train stays on the tracks... From BBC TV 'Fun to Imagine' (1983) -YT

posted by cybrbeast 1 decade 3 years 1 month 3 weeks ago • 17,324 views • 2:27