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Simulating radioactive decay with dice
jhekkonen
477 views
100 dice are rolled and sixes are counted as decays. Surviving dice are rolled again and so on. Predicted half life is t12 = log(2)/log(6/5) ~ 3.8. The red line is a fit wi...
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Vibrating string
jhekkonen
391 views
Vibrating string for a square wave initial position.
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Uranus disturbed by "a Jupiter" part 2
jhekkonen
484 views
In this simulation I have used approximate masses and orbital parameters for the Sun, Uranus and Jupiter. In this simple model a Uranus is orbiting the Sun and a Jupiter (w...
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Uranus disturbed by "a Jupiter" part 1
jhekkonen
387 views
In this simulation I have used approximate masses and orbital parameters for the Sun, Uranus and Jupiter. In this simple model a Uranus is orbiting the Sun and a Jupiter (w...
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Chinese nazi cat
jhekkonen
515 views
Several of these were in a chinese store front. Why?
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Rotating supersolid helium
jhekkonen
23,437 views
The heart of Chan and Kim's experimental apparatus is a disk filled with solid helium-4. To run the experiment, they hang the disk from a stiff rod and oscillate the disk b...
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Unstable spinning, part 3 of 3
jhekkonen
365 views
A new algorithm allows this system to guide a rotating pendulum from stable to unstable rotation, detect the boundary between the two, and then hold the pendulum in the uns...
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Unstable spinning, part 2 of 3
jhekkonen
332 views
A new algorithm allows this system to guide a rotating pendulum from stable to unstable rotation, detect the boundary between the two, and then hold the pendulum in the uns...
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Unstable spinning, part 1 of 3
jhekkonen
630 views
A new algorithm allows this system to guide a rotating pendulum from stable to unstable rotation, detect the boundary between the two, and then hold the pendulum in the uns...
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Phototaxis in head of the nematode C. elegans
jhekkonen
814 views
"Phototaxis behavior is commonly observed in animals with light-sensing organs. C. elegans, however, is generally believed to lack phototaxis, as this animal lives in darkn...
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