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Can the process of Pair Production
be used as a source for energy generation in space? Can Gamma Rays in space become the source for generating energy using Pair Production process? EM radiation >1.02 MeV enery, Pair Production is the dominant absorption process.
(Posted By Chintan Shah)
Have an answer? Post as comment now!
Is it possible that matter falling into a black hole would emerge in some form of elementary particles or energy in some other point in space or even time (space/time)?
I thought that matter couldn’t be destroyed just transformed into energy or some other form of matter.
Articles or theories on what happens to matter falling into a black hole say that it just falls out of existence. That doesn’t make sense.
(Posted by Victor )
“I have few knowledge about this subject, even though I think that ordinary matter when enters into blackholes may convert into darkmatter, ie energy associated with ordinary matter escapes & the matter will convert into darkmatter. From the origin of our universe this process may take place & this may be the reason that the amount of darkmatter is greater than that of ordinary matter.Here matter is not destroyed because total matter(including dark matter & visible matter ) remains constant.” … Anitha Anand (Student at university college,TVM)
Davide Writes: (The email is posted as such. SO, sorry for the telegraphic language and poor spelling and grammar)
“Hello there i have one more question,a crazy one:) according to Einstein we need a enormous amount of energy to push matter at a speed of light,now for me the real problem there is that an atoms at a speed of light will break a part right?so even if we will find a way to push it,we will still failed.I was wander are we looking to the right way?is it photon, so the world of small with no mass only work? now here my crazy question,lets speculate a bit,we have two red dwarf pretty close to earth Barnard’s Star” only “5.9 ly and Wolf 359 7.7ly a baby step compere the universe,if we can send a same kind of mission the we have done with Stardust Nasa’s comet sample and collect a piece the size of a soccer ball back to earth,we could work on it outside earth atmosphere in the space base.Since we can’t go in the first place at a speed of light let’s says that the all deal will last 150 year to go and back,(assuming that we use a new energy to go bit faster)in the mean time the space base will be pretty developed and maybe we even found a new power to push to the speed of light(i remind you that we are speculate)we could put our hands on the sample using electromagnetism so that we avoid any risks and then send it at a seed of light.What i try to say is that a single atom is weak but billions of it together is a different story,here an example, lets imagine to make a spherical shape out of Lego(the toy) and send it in to space at a great speed,it will break pretty soon,now we make another one but we glue the piece together,it will last bit longer,again another with glue and a put net around it will last even longer so instead of a Lego we use our sample,the glue in the inside is the immense mass that will have (piece of red dwarf) net outside the immense gravitational pull ,now do you think that it will be enough to keep it together at a speed of light?regardless the energy that we need to push it? after all even in the past we believed that going faster than a speed of sound a plane will brake a part or something bad could happen,instead only a big BUM wen we reach it and nothing more,so maybe if we can go faster than light nothing will happen,or maybe we find a new way to travel,we can even give a name for fun “a speed of matter” what do you think about it?i know it sound like sci fi but hey physics it self is blowing mind science right? Thank you kindly for your time:)”
I don’t like to respond now.
Responses from visitors invited
dual nature of matter.pdf
COMP-Sc AND IP
Let me start by saying I am NOT a physicist. That much should be painfully clear soon enough. Please bear with me as I am not certain I have the language and in depth knowledge to explain myself adequately.
A few years ago I began experiencing parallels between the world of human behavior and physics. At the time it seemed simple enough. That is until I started teaching myself physics. But at its core it seemed to make sense, the rules of life recycle themselves in different forms. Out of simple ideas comes complexity. Newton’s laws, thermodynamics… pascals principle, snells law, red and blue shift, wave particle duality and on and on… all seem to have their parallels in human behavior and on the surface seem to follow the same mathematical equations. Then I ran into the most famous of physics equations E=MC^2. It makes sense in human behavior. The energy (work) we can get out of an individual is relative to that individuals’ mass. The more matter we attach to the individual, knowledge, life experience etc (therefore increasing their mass) the more we can get out of them in the form of energy… but then the problem of the speed of light squared. The only known constant (light speed) is a problem in human behavior. At least to this point I know of no known behavioral constant.
I juggled the idea of it being a relative constant. Constant for the individual but relative as it would differ for everyone. The speed of cognition, or thought speed, would remain the same in potential throughout life of a given individual. Or that it was just a theoretical potential that humanity had yet to obtain. I even juggled the idea of it being a collective ability, but all of these options cause problems with the original equation. This has forced me to contemplate the nature of light and left me with questions I simply lack the understanding of physics to answer.
Is the speed of light truly constant or is it only constant as it relates to the big picture? As in: our perception of time as it relates to all time that has ever existed would appear as a single point in time. The older we get the more time seems to “fly by” if we as humans could continue to live for 13 billion years would the perception of an hour become so perceptively small that we wouldn’t even know it has passed? Is it therefore possible we can only understand and therefore measure the speed of light at a specific point in time, even if we try to come back and remeasure and compare the speed of light now with the speed of light fifty years from now the difference between the two would be imperceptivity small as a result of the displacement in time as it relates to the whole of time?
If the four dimensionality of time/space is linked shouldn’t time expand as space expands? And vice versa… if the speed of light is to remain constant as measured under such conditions isn’t light actually slowing down/speeding up over time as it relates to the whole of existing time/space? It’s a distance displacement problem…. If points A and B are actually farther apart but light travels the same distance in the same time the “speed” may seem constant but time has actually expanded to give the light more “time” to cover that distance. The speed of light would therefore be constant as a relation to perception and not as it relates to physical principles. Like the fact that the perception of time changes as we get older even though the actual measure of time remains the same.
How can light exist forever? At the speed of light we theoretically freeze time for that photon but that would also require an infinite amount of energy to obtain and maintain. So even a subatomic particle with a lifespan of a nanosecond would appear to exist for all eternity but in actuality would still only exist for a nanosecond. Because quite simply…it can’t have infinite energy and if it can I don’t understand how. Thermodynamics: no system is a perfect system and will experience energy loss, Newton: equal and opposite reaction, if something begins it has to end to balance the equation.
Is it therefore possible that light is born of the fourth dimension… we experience it in the dimensionality of space as long as it loses its energy to the three dimensions. A photon folds and pushes its way through space/time The initial energy of the photon is high and generates bigger leading waves which resist the photon holding it from passing the “speed of light” as the energy dissipates/photon begins to die those folds restricts the photon less allowing it to maintain the speed of light. We experience light because of its “ripples” in three-dimensions light dissipates as the waves of space become less folded in front of the photon. But this would mean the photon eventually loses enough energy that it can no longer be perceived in the third dimension…. So what happens to it?? Imagine : A man running through a corn field has to exert the energy to push the stalks aside but over time if the corn stalks are slowly spaced out even as he loses energy he can maintain his pace, because there is less impeding his path. Our perception of light would be like being in a helicopter looking down on the field. In the begging the field is densely packed with cornstalks and they slowly spread out until there is none. We only know the man is there while he is running through the corn because he pushes the stalks aside and we see that movement but once there are no stalks or he lacks the energy to continue running we no longer have a way of measuring his presence.
That brings me for some reason to a theory of Dark matter. Why? Well what happens to photons that no longer move with enough force to be visible. Like that guy running from a cornfield into an empty field. How would we know he is still there? If it was an infinite number of guys all stopping in that empty field we would know they are there by the depression their weight leaves in the field. Or more accurately by the stones in the field rolling towards a depression we cant actually see. The thought: An infinite number of “massless” (or perceived mass less) subatomic particles would still have infinite mass. Infinite mass would supply more then enough gravitational pull even spread out over infinite distance to cause the continued and speeding expansion of space as more and more visible photons “die” contributing its “dark masslessness”. Any dark matter existing within the universe would act as force… a moving invisible mass existing only on the 4th dimension pushing upon any objects in its way. But because energy propagated internally expanding outward in all dimensions would compound on the outside as those energy’s converge.
I hope you followed those questions. I don’t know what these ideas would do to theoretical physics but it would allow for the relativity of cognitive speed between individuals and reopen the door to “what the hell is dark matter in relation to human behavior” but that’s something different all together.
the 4th dimension has always been predicted as a penalty of the reflection of light but when i searched it for long – more description has not been found ……… how can it be possible to hav a dimension which is caused to exist due to a physical matter – LIGHT !!!
The fourth dimension is time
X Y Z co ordinates are the three other
wow from my knowledge – its not so
it is said dat the fourth dimension is caused due to the penalty of reflection of light !!
for eg :
if we take a crystal cude
see its reflection
its not uniform
(ts our observation )
now joining the
ends of these cubes (reflection & original
give rise to the forth dimension
yup . there r diff reference
& we can only predict caz we r trapped in the 3 -d world & we cant experience dimensions superior to ud !!
SO, thinking like that there is no problem in arguing on multidimensions
5 or 6 or even more
If you say you have to create a theory which supports
The proposal for existence of a fourth dimension was made by mathematicians
And time was the physical quantity first accepted as the fourth dimension
ya who knows – it could even happen but before tat i need to study & understand a lot of concepts & i should start taking things with more observation
& need more investment ……
The idea you were talking was developed by Mobius
How can we can transform energy into matter? I know x rays can collide to form leptons but how to create protons and neutrons from photons?
Answer will be posted soon. Members and visitors are always welcome to post their answers as comments.