Strongest material on Earth
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(1 votes, average: 5.00 out of 5).
Loading ...Described as educational
(1 votes, average: 5.00 out of 5). Loading ...Scale of the Universe 2
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Remember that wonderful Flash showing us the scale of the universe? Here is a updated version with more accurate information and new objects. Click to launch.
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(5 votes, average: 5.00 out of 5). Loading ...Neil deGrasse Tyson – We Stopped Dreaming
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All credit for this video goes to Scrunchthethird.
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(9 votes, average: 4.56 out of 5). Loading ...The Briggs-Rauscher Iodine oscillator
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This reaction is an extremely interesting reaction that is a rare phenomenon in chemistry – an oscillating reaction. Three clear solutions are combined, and the color gradually changes to amber. Suddenly, the whole thing goes dark blue! This remains for a bit, then fades back into amber and the whole cycle repeats.
(3 votes, average: 4.67 out of 5). Loading ...
What is a Leap Year?
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(3 votes, average: 5.00 out of 5). Loading ...
