To: Jeffrey Epstein[jeeyacation©gmail.com]
From: Lisa Randall
Sent: Fri 10/2/2009 10:12:19 PM
Subject: Re: metric

You can calculate the value of time and make a new metric.

Jeffrey Epstein wrote:
> joking, for me, space and time are disconnected as my fingers hunt for
> keys
>
> On Fri, Oct 2, 2009 at 6:00 PM, Lisa Randall
> <blackened out> wrote:

• Oops. Problem of email. No offense intended. I was really a little confused. Or were you joking?

• Jeffrey Epstein wrote:

sorry,
On Fri, <u>Oct</u> 2, <u>2009</u> at 5:41 PM, Lisa Randall

> wrote:

I think I'm reaching the limits of my ability to disentangle grammar and spelling but here goes:

Jeffrey Epstein wrote: thanks , question , what does it look like if time is running backward wouldn't it be decelerating„ into flat space from the singularity outward„ therefore explosion than

[then]
expansion.
It looks like big bang, not inflation before horizon. So not
explosive expansion.

but always slowing after

crossing the horizon

after crossing horizon there isn't really a cosmological interpretation anymore. Time and space have switched back. looking in reverse it appears things accelerate as they approach„ charged would be as a result of the deceleration. don't understand this last comment.

>>>

>>>

Lisa Randall wrote on Fri, Oct 2, 2009 at 5:27 PM.

Hi Jeffrey. It was interesting-as always. For your question, let's first straighten out that there are

3 types

of bhs we might be discussing: Schwarschild, charged, and Kerr. I

didn't say much about Kerr--I mostly discussed charged--
since they

are changing with time and a bit more complicated but indeed they

have 2 horizons (just like charged black holes).

Two horizon scenario means time and space switch twice so at singularity you are back to ordinary time space identification. So let's first just consider Schwarschild (uncharged, not rotating). In that case you are on the right track. Reversing time and coming from the singularity, it pretty much looks like a 2d big bang scenario (with the other 2d in a compact sphere). Space expands out until you reach the horizon and eventually goes over into flat space.

It's not
really accelerated expansion but still somewhat along
lines you
suggested.

If there are two horizons (charged black hole case)
and you
are in

between them (we called this Whoville becuase it looks like space has shrunk to zero but actually spacetime has not and there is a finite time between them so there's a whole world invisible

to the

outside) what happens is you alternate between big bang and big crunch in the full extended spacetime.

Jeffrey Epstein wrote:

Lisa . thanks,, for your time,and patience if i

V

understand the
Kerr equations , and your explanation correctly , time
and space

appear to exchange coordinates , inside a black

hole. ,
that
assumes that time is unidirectional. doesn't it appear
that if
you ran negative time , it would look like any other
explosive
transaction. great acceleration. emenating from
the second
horizon outward slowing to a mere expansion . It
would
appear
that " time" got shot out of the black hole.
created by a
space
collapse at the singularity.

★★★★★★★★

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