2 Aug
2016
2 Aug
'16
12:15 p.m.
The Reddit article was very informative. Thanks for posting the link. The Reddit article discusses conjugation of carbon double-bonds and how that affects light absorption (color). I found a useful discussion of that at: https://people.chem.umass.edu/samal/269/color.pdf A Brief Discussion on Color. Herb -- Herbert R. Johnson, New Jersey USA http://www.retrotechnology.com OR .net