Comment by NotGMan
1 day ago
There's a mostly-unsubstantiated-by-data belief that LED lighting can NOT cause health problems by some combination of flickering and narrow color spectrum.
1 day ago
There's a mostly-unsubstantiated-by-data belief that LED lighting can NOT cause health problems by some combination of flickering and narrow color spectrum.
Do you have evidence that this rock doesn't keep tigers away?