Ko te Powell prism he momo prism whatu, e tino wehe ana i te kurupae laser ki te raina totika me te wehenga o te whatu, he pai te pumau me te tika o te raina i muri i te whakawhiti. Ko te momo tuhi he pai ake i te karaihe porotakaroa a ka taea te whakakore i te waahi wera o waenganui me te tohatoha mata o te kurupae Gaussian.
Tauākī Tūmataitinga: He mea tino nui to maatauranga ki a matou. He kupu nui to maatau kamupene kia kaua e whakaatu i o korero whaiaro ki tetahi atu whakaaetanga.
Whakakiia etahi atu korero kia taea ai e koe te pa ki a koe kia tere ake
Tauākī Tūmataitinga: He mea tino nui to maatauranga ki a matou. He kupu nui to maatau kamupene kia kaua e whakaatu i o korero whaiaro ki tetahi atu whakaaetanga.
