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Home / australia / These atomics clocks are very accurate, they only measure the division of space – Science News

These atomics clocks are very accurate, they only measure the division of space – Science News



These clocks should be less than the age of the universe. 14 billion years.

Main indicators

Key points:

  • The most accurate clocks in the world are atomic clocks which are laser and electrons with their "suitability" rate
  • A new pair of ultra-precise atomic clocks based on the element of etherbium record braking stability and synchronization
  • By measuring space-time delusions, the atomic clocks like this explore the inner part of the earth,

But trains will not be used to stop them on time. Clocks of today's clue are awesome precision, meaning they know how much variation in gravitational forces will vary.

Finally, astronomers have helped to discover the mysterious tragedy.

Soon, by correctly mapping the era of our planets and floes, if the clock collapses, that is, we can say what's going on for the goals.

Wilhelm McGraw, a PhD student at the National Institute of Standard and Technology (NIF), said: "The emission of the clock generates the impact of emissions emitted when the lasers are enthralled electrons in the electrons.

It is quite uniform, they look back at 500 trillion seconds.

"Measuring time and frequency with incredible accuracy gives a stronger lens to view the natural world," McGraw said.

Atmosphere Time 101

Measure time based on astronomy. For example, the length of a day was determined by the axis of the earth in its axis.

But astronomical phenomena speed or faster.

Every day, hundreds of milliseconds of our day will last. The moon has our gravitational tango.

Science has an accuracy, since it is likely to be astronomical from time to time.

This is where the atomic time shines.

Instead of looking at the sky, when the laser is bathed in light, the athlete trains these time-armor for waves of spectacular radiation.

What are the Anamika Clocks & # 39; Tick?

What are the Anamika Clocks & # 39; Tick?

  • The second definitions are defined with the movement of electrons in a ces ium-13 atom – nucleus-55 electrons containing 55 proton and 78 neutrons
  • Like nuclei around the electrons, they have different orbits or "energy levels"
  • Electrons can "jump" when a certain amount of energy is absorbed or illuminated
  • Every single energy generated by an electronic special jump is always the same, and is in the form of a microwave
  • Those microcars have a special frequency (the total number of wavens completed in each second), which is the "titching" rate of atom
  • Cesium-133 "tick" times every 9,192,631,770 times every second

They speak super-politically, but for at least 60 years of atomic clocks around.

The first precise unicorn clock was made in 1955 at the National Physical Laboratory in the UK.

It was precisely the second precision within 300 years.

About 12 years later, the Cesium Atomic Clock became the international time standard. Over time, the atomic clock is very accurate.

Modern atomic clocks are replaced by santium instead of 300 or more centuries that use Strontium or Wernerium.

More than those who save time

Atomic clocks mean precisely the general relativity theory of Albert Einstein, which predicted that the time would be swift or faster in the influence of different gravitational forces.

In other words, a clock in the Earth's orbit is more "gravitational" and ticks faster than at a clock's clock.

There are atomic clocks around the Earth now in the satellites that use the wider effect of this time.

We will not have this without Global Positioning System or GPS.

Another use of satellite attorney clocks is the relation between the size and shape of the earth, the distribution in the system and the geodesy integration.

The time when the satellite's majority telescope takes time, it lights up to a laser to satellites, and how long it will take time for how much time a receiver on earth will take.

GPS geodesy is almost exactly a centimeter, and Matt King did not point to using satellite geodeticity in the Tasmanian University and did not study the study.

However, the clocks with the high "tick" rate – ie do not use all the high frequency lights. They can use relative implications of gravity.

This is how MacGruh and his colleagues have achieved through their atomic clock.

Instead of cesium, they used ytterbium. The radiation waves produced by the Yeatebium atoms disappear five orders faster than the cesium atoms.

In their papers, the clocks proved to be very stable – lost in time or inadequately inadequate – totally united.

Thus, the breakdown of the structure of the two continents can be easily adjusted to the height of the clock in a centimeter, setting the special continents.

A telescope would be inside the precision of ultra sensitive atomic clocks, said Professor King.

"You say that there is an earthquake," he said.

"If you are able to measure accurate yardsticks, you can learn about the earth's interior, like its lightness or rotation."

As the ice rolls melt down or down, how does the earth break down, emitting snakes of ground water can be viewed with sterile clocks.

Professor King said that the volcano surrounding the volcano is disappearing at the submisimics scale, and how volcanoes walk down the magma.

"Combine it with geocities and you will get the true picture of what's happening in it."

Large applications, compact clock

So what about the volcanic eruption around the world and the atomic clocks to earthquake-and dangerous places?

Simply put, ytterbium clocks are too big to move.

"[The clocks] Basically a large laboratory is taking over, "Magrif said.

Because they need to create a large laser for them to work.

A few lasers divide the Atlatb atoms from Coorg Zoo (-273 ° C), others having cold atoms.

McGuire and his colleagues have begun to work out the system briefly.

Professor King says that unimpressive atomic clocks can be used on a single day in the earth and on earth.

"Computers that are used to fill in full rooms.

"We may have been 20 years old, it's faster [ytterbium clocks] If scrutiny and increment rate increases, there is no shortage of applications. "

Weird and surprising

Track and clock can be used for experiments with subtle fluid, gravitational fluctuations, squashing and smallest retardances in space-time.

Take, for example, the dark thing. Astronomers know that there is a black liquid in the form of all the energy and energy of the universe.

But its "dark" character – is not buried or exposed to radiation – it is very difficult to detect.

A dark dual material indicates that we can interact with the usual thing by changing the basic constant constituents.

This is where the atomic clocks help astronomers.

"Pass through a labor code with a robot clock and strontium clock that's a big dark flesh," McGuoo said.

"[The dark matter] Some factors can affect ytterbium, and then strontium use any other element.

"By measuring the difference between the two clocks, you can find the existence of a dark matter.

"These are very subtle effects, but you can find them when you measure precision 18 digits."

Of course, we have not yet dreamed of.

"People who made atomic clocks in the early days did not know that they would make a GPS device," Magrif said.

"I think I have to say something about the anonymous clocks – their most important and most important applications have not yet been considered".

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