"Koobee Wublee"
aka Australopithecus Afarensis
aka Scholarly Fungi
aka Time Traveler
aka Lordly Amoeba
aka Ibn Battuta
aka Marco Polo
<koobee.wublee@gmail.com> wrote in message news:1142544323.466174.46370@z34g2000cwc.googlegroups.com...

"Ilja Schmelzer" <q6867901@mailstore.fernuni-hagen.de> wrote in message
news:dvbqqg$rrp$1@sycamore.fernuni-hagen.de...

"Koobee Wublee" <koobee.wublee@gmail.com> schrieb

And would General Relativity
be discovered before or after world war II.

Before, probably by Hilbert.

Hilbert only showed interest in this problem of gravity after attending
Einstein's lectures at Goettingen in 1915. If Einstein were not born,
Hilbert would not have been steered into this problem.

So what? Gravity was recognized as an open problem, already by
Poincare 1905. If not Hilbert, then somebody else.

Without the existence of Einstein, you projected Hilbert would be the
person to be credited with GR. On a historical note, Hilbert would not
have been exposed to this problem if he had not attended Einstein's
lectures at Goettingen in 1915. Thus, without Einstein, Hilbert would
never come up with the Hilbert-Einstein Action that resulted in GR.
Since GR is based on this action, the probability of someone else
coming up with the same Lagrangian is absolutely small.

Yes, Poincare did address gravitation. He predicted gravity waves even
before 1905. However, his work on this subject is very much a dead
end. If you are a believer of GR, the concept of gravitation can only
be achieved after the concept of spacetime is introduced by Minkowski.

On the subject of the curvature of spacetime, only the curvature in the
time dimension is sufficient to establish gravitation. However, due to
Hilbert's impatience to beat Einstein to the game, he came with a
Lagangrian that also caused the curvature in space in addition to time.
Even with the simplest solution to the field equations, the
Schwarzschild metric predicts a gravitational blue shift if your speed
is higher than 1/3 of the speed of light. Of course, this is a very
ridiculous situation in which GR paints itself into a corner.

You mean the kind of corner you put yourself in when you wrote
this:

http://groups.google.co.uk/groups?&threadm=XvKJa.100908$hd6.25327@fed1read05
| "Australopithecus Afarensis" <lucy@olduvaigorge.net> wrote in message
| news:fytJa.78487$%42.6441@fed1read06...
| > Thanks for posting all that and your own comments at the end. There are so
| > many lies after lies conjured up against the Nazis. I guess I'd better read
| > "Mein Kampf" to get it from the horse's mouth. It will be on my
| > things-to-do list for the near future.

So, how was it then?

Dirk Vdm

"SCW" <doune60@hotmail.co.uk> wrote in message
news:1142356975.988964.191220@z34g2000cwc.googlegroups.com...

Spaceman wrote:

"Mr. QG" <mrquantumgravity@yahoo.com> wrote in message
news:1142346295.551998.51280@i40g2000cwc.googlegroups.com...

The study of Quantum Gravity can make us master of space
and time. It is theoretically possible to change the past. Paul
Davies and other relativistic scientists have found Time
Travel solutions to Einstein equations. We can know to what
extent after we have mastered Quantum Gravity. It is the key
to the secrets of secrets.

Paul Davies and other relativistic scientists are morons
that apparently do not know how clocks work.

I met Paul Davies when I was at Newcastle - I can assure you that he
is not a moron.

Ok, If he is not a moron, why does he think a clock malfunction
(time dilation) could allow for time travel at all?

How is the motion of "a time dilated observer" supposed to
be able to change the "non dilated" time of the Earth based observer?
Time travel that is based upon SR or GR or any "time dilations" is
just complete ignorance of a clock malfunction and and nothing
more than such.

--
James M Driscoll Jr
Spaceman