Well that's interesting! Couldn't get the idea if we are able to move forward in time then why we are unable to move back (theoretically)?

Somehow if we are able to move forward in time then what about age factor? age will remain static or age will be directly proportional to time in which the man would be travelling?

Ok Professor read about wormholes and mutiverses.

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He that increaseth knowledge increaseth sorrow (Ecclesiastes 1:18)

Biologically, you will get old normally...It will depend on the clock you left behind while travelling. If say theoretically, you place an external observer and two people one static and the other one the traveller, w.r.t the static one the observer will age slowly...And then...I'm not Stephen Hawking ask him...
Oh...You figured out really, it's amazing of you...That's why I told that even if you will find out that there is some universe is existing parallel to it, you can never make to it...Because for this purpose you have to be converted into some waves...
String Theory is the most latest form of this theory...Even this theory has failed to tell that how past universes exist, the reason scientists are not much interested in the past universe existence. So, it is still at the status of "hypothesis" and scientists are more focused on the string theory which explains the dimensions of a same man in the same time, may be doing different task but the universe in which he lies is different and that universe is different...
In Harvard it is said that In Science nothing is impossible...But when some scientist says it's Impossible it implies that under the present hypothetical environment and theories, it's impossible, until or unless a certain rigid theory comes and says "yes it's possible"...
And that rigid theory for slipping into a "past universe" never existed at all...
There are certain hypothesis in this regard which are just like someone says "I am God", people start searching, it publishes, and the it somehow establishes to some extent that Mr.XYZ was a God..
This physics is just "Theoretical" but for each and every theory, there is a strong parallel phenomenon from daily life is taken as an example to shift that hypothesis to the theory...And for both Multiverse and Wormhole hypothesis...No such thing even exists...

For further details contact "Einstein" please...

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If I am what I have and if I lose what I have, who then am I?

no such thing even exists? lol ok aap keh rahay ho to nahi hogee but lack of evidence for their existence does not warrant their non-existence .. and the term is not 'past universe' it's parallel universe. You made a couple of assumptions and that 'I am God' analogy was I'm afraid quite silly. Anyways!

I just want to say the same mentality insisted how can Iron fly in the air like a bird. Well it did fly. And keeps on flying.

And I'm a bit busy otherwise I'd have loved to shed more light on wormholes and multiverse. Cheerio

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He that increaseth knowledge increaseth sorrow (Ecclesiastes 1:18)

Well Past Universe is among one of the parallel universes hypothesized in Multiverse theory.
Ok...I take my words back...It's possible...As anything is possible after all. You can lift the world if you are given a lever even.
Yes, Being future CSP officer after clearing exam, you are officially allowed to say someone silly...
It's being addictive sometime to discuss something here..It's better you not reply...Keeping me away...As I've still the exam to give..

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If I am what I have and if I lose what I have, who then am I?

I think science and orthodox religion occupy entirety different realms, all orthodox religions try to put an agency, e.g. God, behind occurence of natural phenomena whereas science tries to physically examine the phenomena without invoking any agency. Thus it can be deduced that science and orthodox religions are essentially competitors of each other . In some senses Islam is perhaps a unique of all world religions as it doesn't confine itself within edifices and seeps into virtually every aspect of life, this is perhaps a reason why many new age Muslims are trying to create a kind of 'sectarian belief' out of science. Its a very dangerous trend and I am highly fearful of this approach because then perhaps we will start seeing molanas going to labs and we might be labelled an apostate for putting up a theory hahaha, but at the same time I wonder if that's what the future holds for us .

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The precondition for existence of a higher humanity is not the state, but the nation possessing the necessary ability.

Well, it's the need of the hour...Only Islam is anomaly in this case of rivalry between religion and science...Actually, Islam has so many versions as well,unfortunately...I want to give an account for instance...
I will not turn it into sectarian issue but 100 years back a man named (Imam) Ahmad Raza Khan the writer of huge books like "Fatawa-e-Rizwya" and best Translation of Quran "Kanzul Emaan" was the man who was an astronomer, mathematician and even engineer. Regarding his mathematics it is known that British Mathematicians used to come to him to solve their problems..See a list of his works..
Books on Physics
“Foze Mubeen Der Radde Harkate Zameen” (1383 Hijri)
“Moine Mubeen Baher daure Shamsu sakoone Zameen” ( 1338 Hijri)
“Nazoole Aayate Qur’an basakoone zameeno Aasman” (1339 Hijri)
“Al Kashfe Shafia Fi Hukme Ghuraphia” (1328 Hijri)
“Alkalmatul Mulhima Fil Hikmatil mahkama lowha Falsafatul Mashama”
“Tuloo wa Gharoobe Kawakibu Qamar”
“Taje Tauqeet” (1320 Hijri) “Rooiate Hilal” (1323 Hijri)
“Aljaferul Jamae” (1333 Hijri) “ Albadoor Fi Aujil Majzoor
”
Books on Mathematics

“Azmul Bazi Fi Jau Ar Riazi” “Resala Jabro Muqabla”
AlMuhibatee Fil Murabbeaat” “Alashkalul Uqlaidus”
Resal Der Ilme Logarism” “ Resal Der Ilme Takseer
TalKhees Ilme Musallus Kurvi”
“ Jadoole Auqat”
"Alburhanul Qawaim Alal Arde Wattaqweem"
“Istakhraje Taqweemate Kawakib”
“Jadoole Riazi”
Basic Mechanism of Telecommuniction

“ Al Kashf-e- Shafia Hukme Phono Gharafia”(1909)
Sound Theory
Wave Theory
Auditory Theory
Damped Harmonic Theory
Law of Collision

There are dozens more fascinating..Total 1000 books on nearly 50 sub-disciplines including social sciences, geography, oceanography a long list...

Where is Ahmad Raza Khan in our School Text books???????
Demolished by sectarianism and prejudice of Ulemas jealous of him and being politically strong they tried to remove him from textbooks...And as he did not indulged himself in politics like all scientist of past and present he is not seen anywhere in our conservative books...
The Quran translation he did, complies more with the present theories of sciences...
West is doing research on him. Jamia Azhar conducted a Phd on him..
He pointed out this "Khwarjism" threat due to which muslims are still suffering in the whole world...Although it existed a long time ago but he pointed out it's new roots and emergences...Now see what's happening in Waziristan..
Hakim Saeed of Hamdard Foundation compiled a book on his Ethnomedicine Practices..
Uptil now 21 PhDs have been awarded on doing research on him including University of Oxford...

He is now proclaimed by Ulema's as "British Agent"...Yes they are right...Because only stupid can prevail in our rows...Remaining others are either British Agents or Jewish Lobbyist..

We have demolished every sane thing in our path...That's why we are damned...
And the best funny part is remaining yet...His school of thought is one of the biggest in Pakistan but only 0.00000001 percent among his followers know what he actually contributed....Naam k Musalman, Naam k Followers, Naam k Sufi...Poor Illiterate Muslims will remain poor and beggars...It seems so...

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If I am what I have and if I lose what I have, who then am I?

if past could have changed people will start making their elders alive............so one should try to improve her/his life in present time not on wasting time on his/her past mistakes. there is a famous quote "time and tide wait for non" another is "forget the past because the past is past" another is "the time has passed can never be recalled" so guys try to improve your present time. Do not be sham full on your previous mistakes time has passed and according to it one has to go forward otherwise one will be in bottom of earth.

Let the bygones be the bygones.