High School Adorable Gravity Demo - National Medals Lab

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The discussion revolves around an interactive gravitational body simulator featured on the National Medals Lab website. Users find the demo cute but express uncertainty about its accuracy, particularly when adding a third smaller body to two massive co-orbiting bodies. The smaller body appears to only orbit one of the massive bodies, raising questions about the coding and potential shortcuts used in the simulation. Participants are interested in understanding the underlying mechanics and any documentation that could clarify the observed behavior. Overall, the demo prompts curiosity about its scientific fidelity and coding techniques.
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ergospherical said:
Cute demo
... of an interactive gravitational body simulator.
 
Hm. I'm not sure just how good it is.

I just set two massive bodies co-orbiting, which worked fine until I added a third smaller body.
The third boy seemed to orbit only one of the massive bodies, and remained unaffected by the other.
1639522636506.png
 
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It would be nice to see how they coded it and what shortcuts they used (which might explain that behaviour you found for the restricted three body problem) but I couldn't find any documentation.
 

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In an inertial frame of reference (IFR), there are two fixed points, A and B, which share an entangled state $$ \frac{1}{\sqrt{2}}(|0>_A|1>_B+|1>_A|0>_B) $$ At point A, a measurement is made. The state then collapses to $$ |a>_A|b>_B, \{a,b\}=\{0,1\} $$ We assume that A has the state ##|a>_A## and B has ##|b>_B## simultaneously, i.e., when their synchronized clocks both read time T However, in other inertial frames, due to the relativity of simultaneity, the moment when B has ##|b>_B##...
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