What exactly is Big Data? This video defines and explains Big Data as well as Hadoop and MapReduce in simple language.
Rating Newest Oldest. Best Answer: Time is an illusion in that it's not a real, *natural* feature of the universe. Time is not absolute, meaning there's no Cosmic Master Clock that ticks off the correct time for the entire universe.
allegory of the cave. there are people in a cave chained to it, believe that an illusion is reality (puppets) but when exposed to reality they believe it's fake, when the enlightened happens returns to the cave they refuse to believe him, but it is his burden to lead them to reality. essence before existence.