Newton waxa uu ku bartay cilmiga iftiinka, waxa uuna ku soo bandhigay in iftiinka midabada badan ee uu soo saaro prism-ka uu noqon karo iftiin cad oo ay soo saaraan lens iyo prism labaad. Cilmiga casriga ah ayaa shaaca ka qaaday in falanqaynta Newton iyo resynthesis ee iftiinka cad ay ku xiran tahay alchemy corpuscular. Wuxuu muujiyay in iftiinka midabku uusan bedelin sifooyinka uu ku leeyahay isaga oo ka soocaya iftiin midab leh oo u iftiiminaya walxo kala duwan, iyo in aan loo eegin in la soo bandhigay, la kala firdhiyay, ama la gudbiyay, iftiinka wuxuu sii ahaanayaa midabka isku mid ah. Sidaa darteed, wuxuu arkay in midabka uu yahay natiijada walxaha la falgalaya iftiinka horey u midab badan halkii ay ka soo saari lahaayeen midabka. Tani waxaa loo yaqaanaa Newton's theory of color.
Newtonka