3 ms·
Cool! I guess this only works with stones where the center of gravity is more or less the same as the geometric center (or more likely, the point where the shad
by rob74 4y ago
Cool! I guess this only works with stones where the center of gravity is more or less the same as the geometric center (or more likely, the point where the shadow is the strongest, which may not be the geometric center depending on the angle of the sun).
- mikewarot 4y agoThis phenomenon[1] which you can use to find the center of gravity of an object might greatly increase the number of stones that work. [1] https://www.exploratorium.edu/snacks/center-gravity https://www.exploratorium.edu/snacks/center-gravity