Comment by foxglacier
Comment by foxglacier 2 days ago
They are at different spacings. If you follow two rows of dots around, they fall in and out of sync with each other.
Comment by foxglacier 2 days ago
They are at different spacings. If you follow two rows of dots around, they fall in and out of sync with each other.
Now someone has to go there and drive around it at 33 1/3 rpm at night with a strobe light set to 50 Hz.