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[TheGuardian] Record breaking clock invented which only loses a second in 15 billion years - Page 6

post #51 of 72
We will see in 15 billion year we will....
post #52 of 72
I was looking at the NPL page for the UK's Caesium Fountain frequency standard clock and it had the line,
Quote:
'A second caesium fountain is also being developed, with the aim of reducing the uncertainty and improving the stability of the realisation of the SI second.'

Does anyone know what this means in practical terms? Is the second just an arbitrary unit of time?

Okay, never mind. Answered my own question:
Quote:
One second is the time that elapses during 9,192,631,770 (9.192631770 x 10 9 ) cycles of the radiation produced by the transition between two levels of the cesium 133 atom. There are other expressions for the second.

Edited by kael13 - 4/29/15 at 1:52am
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post #53 of 72
Quote:
Originally Posted by kael13 View Post

I was looking at the NPL page for the UK's Caesium Fountain frequency standard clock and it had the line,
Does anyone know what this means in practical terms? Is the second just an arbitrary unit of time?

Okay, never mind. Answered my own question:

The only completely arbitrary SI unit of measurement currently is the kilogram. It is based entirely on the mass of a cylinder inside a glass jar.
http://en.wikipedia.org/wiki/Proposed_redefinition_of_SI_base_units#Impact_on_base_unit_definitions
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post #54 of 72
Quote:
Originally Posted by baalbelphegor View Post

  1. The general consensus is that the universe is roughly 13 billion years old.
  2. There is no evidence to show we know the radius of the universe. We can't even see the other side of our galaxy so we don't even know the shape of the Milky Way (the exact shape, we believe it's a spiral). Moreover, the observable universe is roughly 45 billion light years.
  3. There is also no agreed upon evidence to show that there is another single universe let alone 10^49 of them.

http://science.nasa.gov/science-news/science-at-nasa/2013/21mar_cmb/

http://www.wired.com/2010/02/nasa-wmap-universe-age/

On topic, that's pretty insane. The whole clock reminds me of OCN watercooled builds biggrin.gif

General consesuns is false, thats why i was telling you how old our universe actually is.
"We" do not know the radius of our universe, that why the info i posted is not something computed by us humans. Thats some info provided for us from "our brothers in the skyes". They have the capability to travel anywhere in our universe as well as in the neighboring universe by a means of transportation that would be similar to trans-warp capability depicted in star trek. When you can go anywhere like that, you can actually see how big the universe really is.

Oh, and they can travel forward and backward in time just as easily. Thus you can measure accurately how old the universe really is.
Fun Fact Observed. Speed of light is not constant. At first the speed of light was faster, and as the universe ages the speed of light gets gradually reduced. The reduction is so small within our life spans that it is barely measurable, but one you go a couple of billion years in the past, the difference is there and is noticeable.

Ain't that interesting folks ?

Just a fan thing, 45 billion light years compared to 10^340 of how big the universe really is, the difference is incomprehensible. Probably more than an hidrogen atom compared to the whole milky way.

So yeah, we still have much to learn, but i think we did pretty good so far. Look how good of a watch we created.
post #55 of 72
Quote:
Originally Posted by 47 Knucklehead View Post

This.

Sorry to be a stick in the mud there, but their claims are just a theory, as are many things in physics, because there is no way they can ever be proven.

Further, at what speed? Did they forget that time is relative?
For everyone standing still relative to the clock's inertia frame or reference. As with all time related measurements we can look from an observer frame of reference at rest or one moving doesn't matter if we account for it.
Quote:
Originally Posted by Bytales View Post

General consesuns is false, thats why i was telling you how old our universe actually is.
"We" do not know the radius of our universe, that why the info i posted is not something computed by us humans. Thats some info provided for us from "our brothers in the skyes". They have the capability to travel anywhere in our universe as well as in the neighboring universe by a means of transportation that would be similar to trans-warp capability depicted in star trek. When you can go anywhere like that, you can actually see how big the universe really is.
A scientific guess is something I rather put faith in if it is somewhat backed than I would in something like brothers in the sky. I agree there is a possibility that there is an almighty that created every law everything around us has. I also believe in the possibility that our planet is a single of the smallest particle in another universe. It seems very plausible considering how the macro universe looks like our atom and sub atom scale.

Planets tracking over a common but random path around a sun. Sound a lot like Bohr's semi correct interpretation. Since the path around a sun is also not completely certain I don't think this state of mind is weird. Still it is easier to make assumptions based on what we know and what is therefore most plausible. (Disclaimer: not an astrophysicist)
Quote:
Originally Posted by Bytales View Post

Oh, and they can travel forward and backward in time just as easily. Thus you can measure accurately how old the universe really is.
Fun Fact Observed. Speed of light is not constant. At first the speed of light was faster, and as the universe ages the speed of light gets gradually reduced. The reduction is so small within our life spans that it is barely measurable, but one you go a couple of billion years in the past, the difference is there and is noticeable.
So you're basically saying Maxwell was wrong got a source for this?
Quote:
Originally Posted by DuckieHo View Post

The only completely arbitrary SI unit of measurement currently is the kilogram. It is based entirely on the mass of a cylinder inside a glass jar.
http://en.wikipedia.org/wiki/Proposed_redefinition_of_SI_base_units#Impact_on_base_unit_definitions
And if the kilogram is botched so is the Ampere however VSL(Van Swinden Laboratory) is building us a new fully repeatable and constant way of defining one kg.
Edited by maarten12100 - 5/15/15 at 7:21am
post #56 of 72
why? There is no need for this, because time does not exist, we made up time as if it was real, but it is not real. but then again what is real? thumb.gif
post #57 of 72
Quote:
Originally Posted by Bytales View Post

General consesuns is false, thats why i was telling you how old our universe actually is.
"We" do not know the radius of our universe, that why the info i posted is not something computed by us humans. Thats some info provided for us from "our brothers in the skyes". They have the capability to travel anywhere in our universe as well as in the neighboring universe by a means of transportation that would be similar to trans-warp capability depicted in star trek. When you can go anywhere like that, you can actually see how big the universe really is.

Oh, and they can travel forward and backward in time just as easily. Thus you can measure accurately how old the universe really is.
Fun Fact Observed. Speed of light is not constant. At first the speed of light was faster, and as the universe ages the speed of light gets gradually reduced. The reduction is so small within our life spans that it is barely measurable, but one you go a couple of billion years in the past, the difference is there and is noticeable.

Ain't that interesting folks ?

Just a fan thing, 45 billion light years compared to 10^340 of how big the universe really is, the difference is incomprehensible. Probably more than an hidrogen atom compared to the whole milky way.

So yeah, we still have much to learn, but i think we did pretty good so far. Look how good of a watch we created.

Ahh, "aliens told me". Compelling evidence.
    
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post #58 of 72
Meh, gears and pendulums are cooler.
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post #59 of 72
Quote:
Originally Posted by maarten12100 View Post

And if the kilogram is botched so is the Ampere however VSL(Van Swinden Laboratory) is building us a new fully repeatable and constant way of defining one kg.
Yup, that's why I italicized "currently". wink.gif
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post #60 of 72
Quote:
Originally Posted by TheGRig View Post

why? There is no need for this, because time does not exist, we made up time as if it was real, but it is not real. but then again what is real? thumb.gif

Time does not exist??? what!!!! how old are you, or are u joking?
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