Tirohia te wāhanga i raro nei, kātahi ka whakautu i te pātai i muri mai i te reo kotahi me te wāhanga:  Passage: I te tau 1892, i whakaarohia e Hendrik Lorentz he whakarereketanga o te tauira a Fresnel, kei reira te aether e tino tu ana. I angitu ia ki te whakaputa i te tauwehenga toia o Fresnel hei hua o te taunekeneke i waenga i te wai e neke ana me te aether kaore i toia. I kitea hoki e ia ko te whakawhiti mai i tetahi ki tetahi atu tohu tohutoro ka taea te ngawari ma te whakamahi i tetahi taima awhina i kiia e ia ko te waa rohe:  Pātai: He aha tētahi atu ingoa o te wā āwhina?
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