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Time TravelEssay Preview: Time TravelReport this essayTime travelPresented to: Dr. Magd KahlPresented by : Sherif EhabMohamed El GarhyAbdel-Aziz selimKholoud tarekAstronomer Carl Sagan had it right when he said that time is “resistant to simple definition.” Lots of us think we know what time is, but it is hard to define. You can not literally see.