› Forums › General Discussion › A Christmas Photonic Teaser › Reply To: A Christmas Photonic Teaser
16 December 2022 at 8:26 pm
#614700
![](https://britastro.org/wp-content/uploads/2018/09/picture-8621-1537263177-80x80.jpg)
Participant
Those hitting your hand are either absorbed (converted to heat) or reflected. Longer wavelengths are preferentially reflected than shorter ones which is why your skin looks reddish rather than greyish.