As I explained below (or rather looked up)
The hollow transparent hairs reflect and scatter visible (i.e. white) light.
Posted By: yarmyyarmy, Jul 12, 11:25:27
Follow Ups
- yeah, but QI got there before you
Posted By: Ralf Scrampton, Jul 12, 11:38:42 - 4So they always look white then?
Posted By: Old Git, Jul 12, 11:33:28
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