Do UFOs/Aliens exist, is Time Travel possible and more...

blackpearl

The Devil
Re: UFOs, Aliens, Time Travel and more...

yamaraj said:
Hmm, so we were talking about time-travel? Anyone for a trip to "Nothingness"?

Time is a dimension, its the 4th dimension. Time isn't what we see on our watch, actually. Its some kind of a property that changes with velocity. Its difficult to explain because nobody really knows about it much.

You should read this discussion here
*www.physicsforums.com/showthread.php?t=147073
 

Yamaraj

The Lord of Death
Re: UFOs, Aliens, Time Travel and more...

blackpearl said:
Time is a dimension, its the 4th dimension. Time isn't what we see on our watch, actually. Its some kind of a property that changes with velocity. Its difficult to explain because nobody really knows about it much.

You should read this discussion here
*www.physicsforums.com/showthread.php?t=147073
I highly disagree. Is there any concrete scientific proof to back your emphasized statement? Only because Einstein thought of it as 4th dimension, accepting it as "The Truth" would only validate my claim that science indeed is a modernized religion. That there is a blind following and a sense of elitism among the enlightened few.

I'm currently in the process of writing a reply to Raaabo's post, so please hold your horses until I finish with it. ;-)
 

blackpearl

The Devil
Re: UFOs, Aliens, Time Travel and more...

^^^ You want "concrete scintific proof"? just look around dude and do some reading rather than wasting your time arguing here. 100 years have passed since Einstein proposed the theory of relativity and it has remained unchallenged till now. Do you really think scientist and physicist are nuts to believe in something that isn't proved? and that too for 100 yrs?? Do you think they believe in the theory of relativity just because he was Einstein? Nobody knew einstein when he gave that theory and nobody believed in him either, and besides he was just 26 years old!!! Yes, only 26, the age when most people are still struggling with basic physics and calculus. Most people laughed him off!! It was only after several years and after countless experiments did his theories were accepted.

You really need to do some good reading.
 
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Yamaraj

The Lord of Death
Re: UFOs, Aliens, Time Travel and more...

^ No offense, but you need to widen your thought process. And, I've done more reading on the subject than "most" lurking around this thread. There is no such thing as "eternal truth" or "absolute" in science, per se. Newton's theory held on for more than two centuries before it was proved not to work in some situations. That's the reason Einstein came up with his Theory of Relativity. But, even this theory doesn't work, or come up with expected results in some cases. Scientists have long been trying to overcome these limitations by searching for a more Universal theory, and inventing parallel Universes, Ether, Dark Matter, Neutralino etc.

Do you even know what a "dimension" is? Time cannot be the 4th dimension, for it doesn't qualify as a spatial dimension. You cannot move backward or forward in time.

How many of you actually think that "theories" like Big Bang, String and M-theory cannot be, or haven't been challenged? In fact, to merely qualify as a hypethesis/proposition/theory, the idea must at least be falsifiable.

Next time, think twice before you come up with childish comments.
__________
Raaabo said:
You clearly do not understand the very clear difference between science and religion...
It's a very personal opinion, and a flawed one to begin with.

Raaabo said:
let me elucidate:

Two scenarios:
1: I can use biology and chemistry to explain everything called a “miracle” in the Bible.
2: I can prove Einstein wrong using mathematics and physics.

What do you think would happen at the end of both cases? In the first case, the Church would hush me up, make up some new stories, ignore me; I’d get death threats; preachers would condemn and curse me… you get the drift…

First of all - why prefer Christianity/Bible/Church to seemingly more tolerant religions that embrace scientific discoveries quite well and often end up having different branches and spin-offs dealing with these issues? Semitic "religions" are only cults with huge follower-base. You seem to ignore the fact that Hinduism was/is quite open to scientific ideas.

No, I didn't get the drift, for it presented a very biased view to me.

Raaabo said:
In the second, I would be asked to prove it, and once I did, it would make front page news, I would be given a Nobel prize; I’d get millions of dollars in grant money and be written about in text books…

Not quite! If you were familiar with the inherent politics of scientific community, you wouldn't have said that. Your "proof" could outright be ignored and laughed at, depending on the mood and affliation of the scientific community members. History is full of such examples.

Besides, you couldn't prove/reproduce the same miracles with the help of science when these religions flourished some 2000 years ago, could you?

Raaabo said:
The difference here is that Religion is based on things that have already happened, on events, and is based solely on faith and belief. Religion does not work without this “faith”, simply because it cannot be either proven or disproven.
And, science is based on observations, which are in turn dependent on our senses and limitations of human understanding. Just like we don't expect rats to build rockets and fly great distances, we also cannot claim to have enough brainpower to know-it-all.

Raaabo said:
Science on the other hand is quite simply humans trying to understand the world around them, and using logic to do so. There is no “faith”. Even when something cannot be proven, it is estimated using current knowledge. The Earth was the center of the universe; it was flat. The sun rotated around the Earth, as did the moon and all the other planets and stars. Then we discovered that the earth was an oblate spheroid, and rotated!.
While it may not be as apparant to the "common man", there is a lot of faith and belief going on within the scientific community. There are theories without any proof, and even many theoretical physicists disagree with them. Yet, most of the populations takes theories like Big Bang and String theory for granted. In fact, theoretical physics is closer to fiction/religion than it is to the "traditional" scientific ways. Do you know that the Dark Matter accounts for more than 96% of the whole Universe(which is a very misleading term itself)? Yet, it cannot be proved to exist as it doesn't consist of atoms, but still has mass. Do you understand that traditional geometry fails to explain the time-space curvature? Yet, it *seemingly* solves most of the "Earthly" problems. Do you know that many biologists disagree with the Darwinian logic? And that, we've not yet found the sources of 223 genes in the Human Genome? And that, scientists claim to know all about the elements, atoms, molecules ...but still the very Particle Physics is proved to be wrong by the String or M-theory? That, we may be living in a simulation? Or that, there exist parellel universes with infinite dimensions? Or maybe the "Multiverse" is only a vibration produced by the tubular and plasma-like strings in other dimensions?

These are not my words. You'll immediately recognize at least some of it, if you keep a close watch on the latest scientific news and researches.

Raaabo said:
Bottom line: Science welcomes change, so long as it is backed by concrete evidence; religion discourages it. The only way a person could equate the two is if he treated science like a religion, and just accepted what he was told instead of understanding and questioning. Perhaps it was because of lack of interest, bad teachers, rote learning… whatever…
There is bottom line, no black/white, no Yin/Yang or nothing like so easily defined as Good and Evil in science. There are no concrete evidences in science, much to the same as in case of religions. Why does science come up with as loud a theory as the Big Bang, but fails to explain what existed before it, or what caused it to happen? If it's not some (overdose of) faith or belief in science, how else would you explain it?


Raaabo said:
The easiest thing to do is label yourself an unbeliever, because it exempts you from having to take the trouble to understand. Let’s see if I can get a definition of time, not from “stupid” textbooks, or “religious scientists”, but from my own understanding:
Your "explanation" is more suitable for the title of a "believer".

Raaabo said:
Time: The first dimension for every object that exists as matter in our universe.

What this means is that, even subatomic particles, which are the closest things we know of to “nothingness” experience time, and are thus one dimensional objects.

A point is thus one-dimensional, a line, 2-dimensional, a plane, 3-dimensional, everything else, 4-dimensional — us included.
It's rather interesting to see how my fellow "ametuer" scientists are trying to define "Time", which has been described as "one of the concepts that is profoundly resistant to a simple definition" by Carl Sagan. Similar explanations were given by Kip Thorne and Stephen Hawking.

Raaabo said:
Consider this:
If you and your entire universe that you see, exist on just a plane. You are therefore a point or a line, and your universe is the plane. This is a three-dimensional universe, considering that X, Y (axes) and Time are the measurements of the three dimensions. Now, I am a 4th dimension normal human, who also experiences time, in addition to X, Y, and Z axes as measurements.

What if I were to insert a ruler into your universe (the plane). You would see a line appear, and when I removed the ruler, you would see the line disappear. No motion, no movement, just appearing and disappearing. This would stupefy you! If time did not exist, you would not see the line, you would not notice anything change, ever.

You are bound by limits: the distance you can see on the X axis, the same for the Y axis, and Time. Since these limits do not allow for a Z axis, which it does only for me (in this example), my ruler is nothing short of magic and mystique to 3-dimensional planar beings. Now consider the same trick being played on linear (2-dimensional) beings by planar (3-dimensional) beings, and then again by linear beings on point beings (uni-dimensional), and you will see that this trick of being from a superior-dimension stops at point beings. This means that the first dimension is time, and there’s nothing (currently perceivable, at least) that’s below the dimension of time.

If this is not clear, try and understand what the word “dimension” means. It is nothing but a measurement. This is why a box, 10x10x10 cm is measured 10 cm on the X, Y and Z axes, but can also be measured as “2 years old”. If it can be measured, in a perceivable way, then it must be a dimension. Because humanity has already measured and mapped X, Y and Z axes as three unique dimensions, to avoid confusion, time is called the 4th dimension. In fact, it is the first dimension.
Sorry, I didn't read after the first line of the quoted paragraph. There simply exists nothing as a straight line or a plane in the space-time continuum.

Raaabo said:
An interesting question this raises is that if you travel faster than light, will you actually experience the 5th dimension, or are you actually becoming dimension-less (the Zero-dimension).

Dimension-less, perhaps, “nothingness” is the wrong word to use.
I'm not qualified enough to think about a time-travel.
 
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Arsenal_Gunners

Human Spambot
Re: UFOs, Aliens, Time Travel and more...

whats about the wormhole concept of time travel.it is better than travelling at light speed
 

Yamaraj

The Lord of Death
Re: UFOs, Aliens, Time Travel and more...

vimal_mehrotra said:
whats about the wormhole concept of time travel.it is better than travelling at light speed
It's an uttely rubbish concept, much to the fate and likes of dozens of others in theoretical physics. Even the Hindu mythological idea of the whole "reality" being only a dream of Vishnu is better than this!

I've put some effort in studying the wormhole idea. It'd take very large amount of energy, almost equivalent to that of a whole Galaxy to create one through a "hypothetically bent plane of Universe (laughable)", and even then, the hole would only be around a billionth-of-1mm wide for anything to travel through.

Stranger than fiction, indeed!
 
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Yamaraj

The Lord of Death
Re: UFOs, Aliens, Time Travel and more...

vimal_mehrotra said:
do black holes have to do anything with time travel?
Not in my opinion. But a more general question would be - does anything have to do with time travel at all? Time travel fans will always come up with ideas to satiate their lust for the same. I wouldn't be surprised if some of them tried getting through a toilet pipe, if they were led to believe it was a way to travel through time.

Most physicists don't agree, or aren't sure, on a common theory as to what happens on the other side of the black hole. But a shared "belief" is the concept of Singularity.

As Prof. Mike Disney says, "Cosmology is close to the religion". My fellow Digit'ers may disagree, but they're simply not qualified enough.
 

Yamaraj

The Lord of Death
Re: UFOs, Aliens, Time Travel and more...

vimal_mehrotra said:
do you believe in parallel universes?
Sorry, I'm not qualified enough to comment on the concept of Parallel Universes. But, what surprises me is how good these cosmologists are at fabricating complex ideas only to support their theories. For example, to counter the fine-tuning of the Cosmological constant, they came up with Multiverses comcept, to keep the Big Bang theory viable, they consistently revise and make additions to the "standard model" of Cosmology, and to keep the Strings-theory alive, which was dying a slow and painful death, they didn't hesitate to fabricate Parallel Universes, the 11th dimension, and ultimately the M-theory.

In short, philosophy begins where science ends. But these physicists with their ego problems, are only making things worse. Science has eventually turned itself into the same thing it had vowed to fight against.
 

Arsenal_Gunners

Human Spambot
Re: UFOs, Aliens, Time Travel and more...

are you trying to say scientists are proposing rubbish to support previously given
theories?why would they do so?
 

Yamaraj

The Lord of Death
Re: UFOs, Aliens, Time Travel and more...

There may well be a very benevolent idea behind all this - to keep funding for researches alive and well. Otherwise, the Governments would stop funding scientific research, labs and universities would have to be closed down if it was discovered that understanding the Universe isn't possible.

Just think about it - our own galaxy "The Milky Way", which is only of an average size in the "observable Universe", is no less than 100,000 light-years in diameter. The Sun, which is the center of attraction in our solar system, is only one of the 400 billion stars in the Milky Way. And there are more than 100 billion galaxies in the "observable Universe" alone. That put aside, all this mass accounts for only 4% of matter in the Universe. Rest are thought to be "Dark Matter" and "Dark Energy"!

Now, we don't have to assume that the Universe expands beyond our capability of observation. It could very well be infinite, because we can't tell for sure. And these bright cosmologists have been talking about the birth and death of the Universe for decades. What chances their worthless theories stand against the sheer infinity of the Universe? Are we really capable of understanding even what the Universe itself is, let alone how it was "born"?

Let me assure you, they (cosmologists) will continue modifying, enhancing and fabricating theories to satiate their ego - that they know and can describe everything. Nobody has an ego as great as does a mathematician or a physicist. They'll never cease to amuse me.
 
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Yamaraj

The Lord of Death
Re: UFOs, Aliens, Time Travel and more...

vimal_mehrotra said:
are you a science student or what?
What difference would it make to you if I answered in positive, or negative?
 

Arsenal_Gunners

Human Spambot
Re: UFOs, Aliens, Time Travel and more...

i just want to know how you know so much about these things.the way you are talking seems you are an alien yourself.
just kidding ofcourse thank you for the info.
 

Yamaraj

The Lord of Death
Re: UFOs, Aliens, Time Travel and more...

I'm a post-grad CS student, with more than a passing interest in the Nature, the Cosmos, the reality and self-conciousness. I think, both religion and the present-day science are quite limited in what they can do to make us understand ourselves better. Both have been trying for long, but the efforts fall somewhat short of expectations.

That said, there's a definite place for philosophy in between the two. I also tend to think that future "versions" of Homo Sapiens will be armed with better understanding and knowledge to overleap what we're unable to achieve or grasp today. This is the very evolution that makes us different from the first Homo Sapiens that ever walked the Earth.
 

hash!!

________
Re: UFOs, Aliens, Time Travel and more...

Yamaraj said:
I think, both religion and the present-day science are quite limited in what they can do to make us understand ourselves better. Both have been trying for long, but the efforts fall somewhat short of expectations.
That said, there's a definite place for philosophy in between the two. I also tend to think that future "versions" of Homo Sapiens will be armed with better understanding and knowledge to overleap what we're unable to achieve or grasp today. This is the very evolution that makes us different from the first Homo Sapiens that ever walked the Earth.
okay... the great debate, and the question itself, flawed...
so my dumb analysis....
religion is basically crap and based on myths... nuthn really happened... the intelligent ppl back in time ddnt really know wht could possibly get the commoners to follow em and become their minions... that marked the birth of religion... as of today, i believe in god as my backup plan, atleast i dun hvta say "sciencedamn you!" or "oh science!" or "science hi sabka maalik hai" for that reason... (yeaaa.. i saw southpark's wii episode)
science on the other hand, is a set of make-believe things, supported by visible effects... science is alright... thanks to science, we earn, learn and have good computers...
it isnt really evolution that marks us apart... its human goddamned nature... its our incessant ability to think and reason thats gotten us here tday... religion just gives us a bunch of rules/superstitions/beliefs...
it is absurd to compare science and religion as such... science is fact and practical... religion is belief, storybook-ish or some fairytale we all like to believe in...
evolution just put us here... its our twisted brains that gave birth to the bombs and the medicines...
and the future of us, is really a machine or sumthn... not like "them-robots-gonna-take-over-mankind"... more like a system where every1's gonna be spending a good part of his/her life workin...
or maybe not?
i curse my cynical view... but then, it makes sense to me....
look at us grow...
_________________________
ps: anybody seen this movie called "alien autopsy" ? if ure readin this thread, u really shld...
 
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Arsenal_Gunners

Human Spambot
Re: UFOs, Aliens, Time Travel and more...

i dont think religion is totally crap.i am not a religious person but i mean man they should have seen something to write, they did not just made it up.
 
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