U fiirso qoraalka hoose ka dibna ka jawaab su'aasha kadib isla luqadda qoraalka:  Marinka: Inkastoo Isaac Newton uu ku salaysnaa fiisikadiisa waqtiga iyo booska gabi ahaanba, wuxuu sidoo kale u hoggaansamay mabda'a xidhiidhka ee Galileo Galilei oo si sax ah ugu soo celiyay nidaamyada farsamada. Tan waxaa loo sheegi karaa sida tan: sida ay sharciyada farsamada farsamada farsamada farsamada farsamada farsamada farsamada farsamada farsamada farsamada farsamada farsamada farsamada farsamada farsamada farsamada farsamada farsamada farsamada farsamada farsamada farsamada farsamada farsamada farsamada farsamada farsamada farsamada farsamada farsamada farsamada farsamada farsamada farsamada farsamada farsamada farsamada farsamada. Si kastaba ha noqotee, marka loo eego aragtida elektromagnetic iyo electrodynamics, intii lagu jiray qarnigii 19aad aragtida hirarka iftiinka sida carqaladeynta "dhexdhexaad iftiin" ama luminiferous ether ayaa si ballaaran loo aqbalay, aragtida ayaa gaadhay qaabkeeda ugu horumarsan shaqada James Clerk Maxwell. Sida laga soo xigtay aragtida Maxwell, dhamaan waxyaabaha korontada iyo indhaha ku shaqeeya waxay ku dhacaan dhexdhexaadintaas, taasoo soo jeedinaysa inay suurtagal tahay in si tijaabo ah loo go'aamiyo dhaqdhaqaaqa la xiriira aether.  Suaashu waxay tahay, muxuu yahay aragtida Maxwell?
dhamaan dhacdooyinka opticka iyo korontada waxay ku gudbaan dhexdaas, taasoo soo jeedinaysa in ay suurtagal tahay in si tijaabo ah loo ogaado dhaqdhaqaaqa la xiriira aether