Sunday, 10 April 2016

From VBGYOR to ROYGBV to VBGYOR/ROYGBV, and then to their implicative extensions Part 2.



From VBGYOR to ROYGBV to VBGYOR/ROYGBV, and then to their implicative extensions Part 1.


A transient return to VBGYOR, the inconveniently inverted spectrum