My time is done here .

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You're not done here, Soldier!

Should there be 2 people, is it possible to reverse time for one, control what they say or do, watch the second person pass through, and then reverse the first person's actions, so ONLY the second person is aware of what has transpired, and both are still FULLY aware (have everything.)

A<---------------
A>>>>>>>>>
B--------------->
A<--------------

Is it also possible to erase a persons speech or actions, so ONLY they know what they've said or done, and everyone else is completely unaware unless they have acted in this way?

*rubs legs*

Time is not a thing , its a concept though . So it has no effect , affect nor cause on anything . Time can not change the form of anything . Because time is not a thing .

Reincarnation for some is about learning from your past .
 
Nothing lasts forever, River. Should we pass, we pass over. Perhaps we've all already died.

I've had similar thoughts, River. I know not how on Earth God created life, but I'm impressed (and thankful!)

Matter and Anti-matter lasts forever .

All forms of energy and matter and antimatter recycle . All their forms grow and discintigrate , From Galaxies to the sub-atomics .
 
There was a time when I believed time-travel was achieved with the number 2. For example, should I see something, and reverse time, when I return, it has happened twice! So,

1|×2
0|1
1|2
2|4
3|6

Should someone dance for me twice, I would dance for her four times, which I did, hoping she would disappear. I was wrong, but I saw my dancing in her.

So, once again, I danced for her eight times, which was much better. She should see that herself. :)

(n+1)-(n-1)=2 Pick a number for n and try it...

You appear to have had too many numbers.
Alex
 
Matter does not last forever, River. For example, as I traversed, I held certain things in my mind, until I reached the beginning. Those things had already happened. If you tell someone what to do, that message traverses the family tree, and they get told that. You cannot kill someone for killing: that's hypocrisy, but if you kill someone, I will stop my own heart, and that's you! We're not invincible. The moment people decide to punch me over the brick wall, they have a heart attack, in space. :) Please make certain, River, that you never kill anyone. I don't doubt you anyway. x :)
 
Time is not a thing , its a concept though .
Time is as real as space and is the means by which the intervals between sequential events are measured and both exist as a four dimensional framework against which we locate events etc within GR. The question is of course is time fundamental. Proof of the pudding of course is that space and time are two sides of the same coin and are interchangeable.
Matter and Anti-matter lasts forever .

All forms of energy and matter and antimatter recycle . All their forms grow and discintigrate , From Galaxies to the sub-atomics .
:rolleyes: Sorry river, that was bullshit before, and nothing has changed. Matter and anti matter annihilate.
The question really is are we matter or anti matter? I mean if the tiny excess after the original annhilation was actually anti matter, we would be calling that anti matter, matter, and matter, anti matter. ;)

Oh, and great to see you back!!!
 
proof of the pudding of course is that space and time are two sides of the same coin and are interchangeable
How does that work when an external observer sees a body approaching a black hole?

I have read (perhaps in garblese) that for that observer time will appear to slow for that body.

Does that mean that that body will also appear to be larger and that ,as its time coordinate shrinks its spatial coordinates expand?

Unless this is off topic in the context of River leaving us or returning:biggrin:
 
How does that work when an external observer sees a body approaching a black hole?

I have read (perhaps in garblese) that for that observer time will appear to slow for that body.

Does that mean that that body will also appear to be larger and that ,as its time coordinate shrinks its spatial coordinates expand?
Briefly [as this is river's goodbye/Hullo thread] an external observer watching a body approaching a BH, will certainly see time gradually slowing, and will see the body also further and further red shifted, until beyond the viewing capacity of the external observer. The body from the external perspective, is never seen to cross the EH of the BH, but just as valid, the body most certainly from its own persepctive, will cross the EH, and continue on a one-way path to the singularity.
With my comment on the interchangeability of space and time, briefly again, what one external observer may see as time, another will see as space. Space cannot exist without time, and vice versa.
https://www.einstein-online.info/en/spotlight/changing_places/
But hey! Start a thread and discuss...Much I'm still not aware of and/or uncertain about.
 
river:

I'm sorry that TheFrogger has decided to pollute your goodbye thread with his nonsense mathematics. He has received another warning.
 
river:

I'm sorry that TheFrogger has decided to pollute your goodbye thread with his nonsense mathematics. He has received another warning.

Too many numbers and drinking the bong water I suspect.
Matter anti matter it doesn't matter so long as you are ok.

But it's great to read you are ok river I always find your posts.

Alex
 
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proof of the pudding of course is that space and time are two sides of the same coin and are interchangeable


How does that work when an external observer sees a body approaching a black hole?

I have read (perhaps in garblese) that for that observer time will appear to slow for that body. Time Does change for those on the ISS.

Does that mean that that body will also appear to be larger and that ,as its time coordinate shrinks its spatial coordinates expand?

Its relative to your position to that body . Appearance is the key .

But to the body , to its self , it never changes form ; it never shrinks and/or expands .

Unless this is off topic in the context of River leaving us or returning:biggrin:

No worries , but if you want to delve into it deeper , then start a thread !
 
Briefly [as this is river's goodbye/Hullo thread] an external observer watching a body approaching a BH, will certainly see time gradually slowing, and will see the body also further and further red shifted, until beyond the viewing capacity of the external observer. The body from the external perspective, is never seen to cross the EH of the BH, but just as valid, the body most certainly from its own persepctive, will cross the EH, and continue on a one-way path to the singularity.
With my comment on the interchangeability of space and time, briefly again, what one external observer may see as time, another will see as space. Space cannot exist without time, and vice versa.
https://www.einstein-online.info/en/spotlight/changing_places/
But hey! Start a thread and discuss...Much I'm still not aware of and/or uncertain about.

Indeed start a thread pad . And one where I can contribute posts .

Response to the highlighted ;

Explain how this is even possible . pad
 
No one ever leaves the SF vortex...once you get caught up in it, you can never leave.
 
Indeed start a thread pad . And one where I can contribute posts .

Response to the highlighted ;

Explain how this is even possible . pad
What? You really are back, before you even left.

And just when I thought it was safe to remove you from my Ignore list, too. Oh well, back to the status quo ante, then, I suppose.

...[click]....
 
What? You really are back, before you even left.

And just when I thought it was safe to remove you from my Ignore list, too. Oh well, back to the status quo ante, then, I suppose.

...[click]....

Whatever .

When ones freedom of speech is restricted , again , without real merit . It gives me pause for thought .

By the way , everybody , look up the research been done and has been done on Water , on youtube . You will be fascinated by what they know and don't know about this molecule ; H2O .
 
Here's the thing about antimatter and matter ;

Its about polarity . In the youtube video , " The Matter of Antimatter " , matter is positive antimatter is negative .

That's it .

Now think about why would both necessarily ; " annihilate each other .
 
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