On 31/12/2018 15:01, NY wrote:
If you are seeing stroboscopic effects under DC light or sunlight, which
are constant not intermittent light level, then there's something very
odd going on.

something ELSE going on.

leaves in the breeze casting dappled shade...

in a moving car running past an avenue of trees...


--
I would rather have questions that cannot be answered...
....than to have answers that cannot be questioned

Richard Feynman