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.
time-the continuum of experience in which events pass from the future through the present to the past. coordinated universal time, UTC-Greenwich Mean Time updated with leap seconds.