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 3 years 9 months ago • 984 views • 2:32search results matching tag: HD
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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) 8 years 6 months 1 week ago • 170 views • 2:56Pachelbel'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 3 years 4 months 3 weeks ago • 1,460 viewsPleasant ideas to keep your brain from going idle in class.
posted by GDGD 1 decade 3 years 4 months 3 weeks ago • 7,610 views • 4:25For anyone who doesn't know already, and wonders why people claim Switzerland is building a Black Hole generator.
posted by demon_ix 1 decade 4 years 5 months ago • 1,777 views • 9:59Physicist Richard Feynman explains how a train stays on the tracks... From BBC TV 'Fun to Imagine' (1983) -YT
posted by cybrbeast 1 decade 4 years 10 months ago • 17,336 views • 2:27- 1