FACTS ABOUT YOUR BIOLOGICAL CLOCK
Added on: 12th Jul 2016
A TEMPORAL ILLUSION IS A DISTORTION IN
THE PERCEPTION OF TIME THAT OCCURS FOR
VARIOUS REASONS, SUCH AS DIFFERENT KINDS
OF STRESS. IN SUCH CASES, A PERSON MAY
MOMENTARILY PERCEIVE TIME AS SLOWING DOWN,
STOPPING, SPEEDING UP, OR EVEN RUNNING
BACKWARD, AS THE TIMING AND TEMPORAL
ORDER OF EVENTS ARE MISPERCEIVED.
WHEN WE SAY THAT TIME SLOWS DOWN, WHAT
WE ACTUALLY MEAN IS THAT OUR INTERNAL
CLOCK SPEEDS UP, WHICH GIVES THE
IMPRESSION THAT TIME IN THE REST OF
THE WORLD HAS SLOWED DOWN
A NANOSECOND IS ONE BILLIONTH OF A SECOND.
A LONG TIME COMPARED TO THE FEMTOSECOND,
THE ATTOSECOND, AND THE SHORTEST POSSIBLE
UNIT OF TIME KNOWN AS PLANCK TIME
THE OLDEST KNOWN OBJECT IN THE UNIVERSE
IS A GALAXY CALLED Z8_GND_5296. IT’S 13.1
BILLION YEARS OLD—ONLY ABOUT SIX HUNDRED
MILLION YEARS YOUNGER THAN THE UNIVERSE
AS FOR THE OLDEST KNOWN OBJECT ON EARTH?
IT IS A 4.4-BILLION-YEAR-OLD PIECE OF ZIRCON
THAT WAS FOUND IN JACK HILLS IN WESTERN
AUSTRALIA. IT’S ONLY 160 MILLION YEARS
YOUNGER THAN THE EARTH
OUR SUN IS ABOUT FIVE BILLION YEARS OLD.
THE EARTH IS ESTIMATED TO BE 4,540,000,000 YEARS OLD
ACCORDING TO MODERN SCIENCE, TIME IS THE
FOURTH DIMENSION. THE FIRST THREE DIMENSIONS
ARE USED TO SPECIFY AN OBJECT’S LOCATION OR
MOVEMENT IN SPACE, WHILE THE FOURTH
DIMENSION LOCATES ITS POSITION IN TIME.
ALL FOUR DIMENSIONS ARE USED TO SPECIFY
COMPLETELY THE LOCATION OR DYNAMISM
OF AN OBJECT IN SPACE
TIME HAS HISTORICALLY BEEN CLOSELY RELATED
TO SPACE, THE TWO MERGING TOGETHER INTO
SPACE-TIME IN EINSTEIN’S SPECIAL RELATIVITY
AND GENERAL RELATIVITY. ACCORDING TO
THESE THEORIES, THE CONCEPT OF TIME
DEPENDS ON THE SPATIAL REFERENCE
FRAME OF THE OBSERVER, AND HUMAN
PERCEPTION AS WELL AS THE MEASUREMENT
BY INSTRUMENTS SUCH AS CLOCKS ARE
DIFFERENT FOR OBSERVERS IN RELATIVE MOTION
EINSTEIN’S THEORY OF RELATIVITY SUGGESTS
THAT BEFORE THE BIG BANG 13.7 BILLION YEARS
AGO, SPACE AND TIME DID NOT EXIST AND MATTER
WAS PACKED TOGETHER IN A TINY BALL. SINCE TIME
IS MEASURED BY MOTION IN SPACE, THERE WAS
NO TIME WITHOUT A MOVING COSMOS
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