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.
Kundo reverts here. For other use, see Kundo (disambiguation) A torsion pendulum clock, or torsion clock (also known as 400-day or anniversary clock), is a mechanical clock which keeps time with a mechanism called a torsion pendulum.