Time travel.. (Need your opinions!)
by
XxZalphinoxX
March 7, 2016 at 1:03 PM UTC
Okay, time travel IS INDEED PLAUSIBLE! (or even possible)
In the sense that you can only go to the future, but never return back to the past.
How is this possible? Time Dilation.
If you don't know what that is GET SEARCHING!!
So if I spend a specific amount of time, in a specific place where time is PULLED slower, back at Earth it would've past a certain amount of time. So I can even go 30 years ahead in time.. but never return back 30 years.
Works thanks to Albert Einsteins theory of relativity. It basically works because time and space are both connected and relatives to each other. What you have to do is try bending space as much as you can. For us humans the best way to do that is by going really really fast. And by fast I mean about 50% of c, so time dilation really kicks in. Ofc the faster you go the better it works.
Works thanks to Albert Einsteins theory of relativity. It basically works because time and space are both connected and relatives to each other. What you have to do is try bending space as much as you can. For us humans the best way to do that is by going really really fast. And by fast I mean about 50% of c, so time dilation really kicks in. Ofc the faster you go the better it works.
Gravitational waves were discovered recently, and were also part of his theory. This also changed everything, from time travel studies to black hole relativity
Gravitational waves were discovered recently, and were also part of his theory. This also changed everything, from time travel studies to black hole relativity
Gravitainoal waves were the very last step to proving general relativity right. Can't say the same about special relativity though I think ?
E=m*v^2 - you need a lot of energy to reach sub-light speed to travel in future. 10-ton spaceship needs 2,25*10^20 joules of energy to reach c/2 speed. Where will you get so much? Today it is almost impossible. So you should burn ~5,5*10^9 tons of oil for example and you cant take it with you, cause it waighs a lot. So much oil all countries will product in 1,5 years. Also you need energy to turn or to stop in space. Humanity: "Can we reach light speed pls?" Universe: "NO WAY!!!!11!!!!!!111!!1!!!!!!!!!11!!!!"
E=m*v^2 - you need a lot of energy to reach sub-light speed to travel in future. 10-ton spaceship needs 2,25*10^20 joules of energy to reach c/2 speed. Where will you get so much? Today it is almost impossible. So you should burn ~5,5*10^9 tons of oil for example and you cant take it with you, cause it waighs a lot. So much oil all countries will product in 1,5 years. Also you need energy to turn or to stop in space. Humanity: "Can we reach light speed pls?" Universe: "NO WAY!!!!11!!!!!!111!!1!!!!!!!!!11!!!!"
For time dilation to really kick in we would only need 50% light speed. There are some ways to achieve that kind of speed. One way is a anti matter reactor that harnesses the power of protons and anti protons coliding and cancelling each other out, to create thrust. Another way is creating a tiny blackhole which is replanished by lasers fireing visible light. Thanks to hawking radiation (virtual particles at the edge of the blackhole and and inside the blackhole cancelling and disappearing back into their energy field) we can also use that as energy.
For time dilation to really kick in we would only need 50% light speed. There are some ways to achieve that kind of speed. One way is a anti matter reactor that harnesses the power of protons and anti protons coliding and cancelling each other out, to create thrust. Another way is creating a tiny blackhole which is replanished by lasers fireing visible light. Thanks to hawking radiation (virtual particles at the edge of the blackhole and and inside the blackhole cancelling and disappearing back into their energy field) we can also use that as energy.
But not nowadays. How you will store antimatter? You need some force fields, wich also need energy. Lasers needs energy as well. And how to turn back ship at this speed? What about centrifugal forces? I want to go back to Earth after this travel :O
Well maybe you could go to future, but not immediatly, you are just making the time go faster through travelling very fast I think. And the past is the past and stays the past. No way you could Change that.
But not nowadays. How you will store antimatter? You need some force fields, wich also need energy. Lasers needs energy as well. And how to turn back ship at this speed? What about centrifugal forces? I want to go back to Earth after this travel :O
turning isn't a problem, would be the same as with current rockets. idk how you think centrifugal forces are a problem. Storing would be ofc hard but extremly space effiecent and next to 0 mass. We are talking about science fiction here so we will see :P
turning isn't a problem, would be the same as with current rockets. idk how you think centrifugal forces are a problem. Storing would be ofc hard but extremly space effiecent and next to 0 mass. We are talking about science fiction here so we will see :P
Oh, sciense fiction, okey then. Centrif. force is very powerful, it would flatten you on spaceship walls at sub-light speed.
I literally thought about this not to long ago, but if that were possible, it may also be possible to develop super speed. If the individual were to go in the future for seconds, they could slow down time around them. I got this theory from XMEN(?) where they went to save Magneto in the Pentegon and there was a scene of the lightening dude running around in slowed time.
I literally thought about this not to long ago, but if that were possible, it may also be possible to develop super speed. If the individual were to go in the future for seconds, they could slow down time around them. I got this theory from XMEN(?) where they went to save Magneto in the Pentegon and there was a scene of the lightening dude running around in slowed time.
If by super speed you mean faster than light then the only way to go fast than light is by not moving through space but by moving space around us. c isn't the max speed in the universe. c is the max speed things can move through space. If we can move space it's self then you can go as fast you want. You would have to retract space infront of you and expand it behind you somehow which ofc we have no idea how
The problem with moving faster than light is that, according to the theory of relativity, you would need infinite energy to maintain such a speed long enough for that to occur. Also, the sheer speed would turn anyone who attempted to travel at that velocity into atoms.
In my opinion, it's good that we can't travel in time. I don't particularly like the idea of people messing with time travel. Genetically modifying babies, crops, etc. and changing the very laws of nature (e.g. trying to create babies using the DNA of 3 people) is far enough for me. There comes a point in time (no pun intended) when scientists need to stop and think carefully about what they are doing.
It would work, but it's not "time travel". If you would understand the relativity theory then you would know why it isn't called "time travel", or why you can't call it like that
The problem with moving faster than light is that, according to the theory of relativity, you would need infinite energy to maintain such a speed long enough for that to occur. Also, the sheer speed would turn anyone who attempted to travel at that velocity into atoms.
In my opinion, it's good that we can't travel in time. I don't particularly like the idea of people messing with time travel. Genetically modifying babies, crops, etc. and changing the very laws of nature (e.g. trying to create babies using the DNA of 3 people) is far enough for me. There comes a point in time (no pun intended) when scientists need to stop and think carefully about what they are doing.
You can simply say that there isn't infinite energy + even if you would have "infinite energy" (Just imagine it), then how do you work with it? You'd probably need infinite room to place that infinite energy and to move it, you'd need another infinite energy again and again... I hope I don't confuse someone with my shit explaining skills :c
If by super speed you mean faster than light then the only way to go fast than light is by not moving through space but by moving space around us. c isn't the max speed in the universe. c is the max speed things can move through space. If we can move space it's self then you can go as fast you want. You would have to retract space infront of you and expand it behind you somehow which ofc we have no idea how
To create gravitational waves we would need two massive objects like blackholes or neutronstars orbiting each other. The gravitational waves lingo has detected were waves sent by two blackholes orbiting each other. Guess how far everyone expanded on earth when the waves hit us. A fraction of a proton. Gl creating gravitational waves strong enough to srsly bend space :p
every time you walk or run you are travelling in to the future quicker than someone who is stationary, but only but a tiny degree
ez time travel
Dont forget about that big blue ball, wich you lives on. It isnt the center of the universe and it moves with velocity of 107218 km/h around Sun, which moves arond galaxy center with velocity of 828000 km/h, which moves with 552 km/s speed relative to cosmic microwave background rest frame. So it doesnt matter, you are sitting or running or drive car. everyone do it. In scale of the universe it is nothing.
To create gravitational waves we would need two massive objects like blackholes or neutronstars orbiting each other. The gravitational waves lingo has detected were waves sent by two blackholes orbiting each other. Guess how far everyone expanded on earth when the waves hit us. A fraction of a proton. Gl creating gravitational waves strong enough to srsly bend space :p
In fact, according to Albert Einstein's famoud equation (E = mc2), time travel is possible. You can only go to the future but you can't return anymore. Yet this technology doesn't exist yet, and will never exist that could take people to the past.
Einstein’s theory of relativity was based on two principles.
These include the principle of relativity, which states that the laws of physics don’t change, even when objects move at constant speeds relative to each other.
It also looked at the principle of the speed of light.
Einstein observed that the speed of light is the same for everyone, regardless of how their movement related to the light source.
Einstein's theory explains that if two objects are moving through space and want to compare what they can see, the only thing that matters and helps determine this comparison is how fast the two objects are moving relative to each other.
The special theory specifically includes movement in a straight or uniform line at a constant speed.
If an object starts travelling faster, curves, or veers off course, the special relatively no longer applies.
You can simply say that there isn't infinite energy + even if you would have "infinite energy" (Just imagine it), then how do you work with it? You'd probably need infinite room to place that infinite energy and to move it, you'd need another infinite energy again and again... I hope I don't confuse someone with my shit explaining skills :c
I know, and it's why I'm glad that it's impossible. =)
To create gravitational waves we would need two massive objects like blackholes or neutronstars orbiting each other. The gravitational waves lingo has detected were waves sent by two blackholes orbiting each other. Guess how far everyone expanded on earth when the waves hit us. A fraction of a proton. Gl creating gravitational waves strong enough to srsly bend space :p
Isn't it just that "two massive objects ..." are producing bigger/stronger/idk g. waves? I thought every mass would create those waves, but to detect them, you'd have to find very... idk. large waves? xDD
Isn't it just that "two massive objects ..." are producing bigger/stronger/idk g. waves? I thought every mass would create those waves, but to detect them, you'd have to find very... idk. large waves? xDD
Please correct me if I'm wrong! Thanks
No, one object that is rotating around itx axes doesn't produce any at all. Only two objects orbiting each other can produce gravitational waves
Another problem BTW would be that gravitational waves don't bend space in all directions, they do it in a cross pattern. So we would probably need four extremely strong waves to bend space like that (2 in front and back each). This is how gravitational waves bend space.  Love you too :p
Another problem BTW would be that gravitational waves don't bend space in all directions, they do it in a cross pattern. So we would probably need four extremely strong waves to bend space like that (2 in front and back each). This is how gravitational waves bend space.  Love you too :p
O o o o o. We can use supurmassive black hole for gravity assist maneuver to speed up and turn back. No fuel needed.
Wait a sec, even if you travel AT the speed of light there are things to consider-
Interstellar COLLISIONS- We can't see anything at the speed of light, because you're traveling so fast your spaceship can collide with rocks in the interstellar space..
Interstellar RADIATION- yeah self explanatory.
THIS WOULD TAKE MORE THAN A LIFETIME TO DO!! BUT IT'S NOT IMPOSSIBLE
Wait a sec, even if you travel AT the speed of light there are things to consider-
Interstellar COLLISIONS- We can't see anything at the speed of light, because you're traveling so fast your spaceship can collide with rocks in the interstellar space..
Interstellar RADIATION- yeah self explanatory.
THIS WOULD TAKE MORE THAN A LIFETIME TO DO!! BUT IT'S NOT IMPOSSIBLE
It isn't so big problem, as reaching such speed o_o
Wait a sec, even if you travel AT the speed of light there are things to consider-
Interstellar COLLISIONS- We can't see anything at the speed of light, because you're traveling so fast your spaceship can collide with rocks in the interstellar space..
Interstellar RADIATION- yeah self explanatory.
THIS WOULD TAKE MORE THAN A LIFETIME TO DO!! BUT IT'S NOT IMPOSSIBLE
The chances of hitting something are so incredible low it isn't a problem at all
The chances of hitting something are so incredible low it isn't a problem at all
You would need to create a machine that is durable enough to survive the sheer force of travelling at that speed, so I highly doubt that obstacles are going to pose much danger.
The closest HABITABLE planet to us humans is Wolf 1061c, 14 light years away. The fastest thing that a human has made, Solar Helios Probe can travel up to 70,000 m/s.. even with that speed it would take us 4285 years approx..
The closest HABITABLE planet to us humans is Wolf 1061c, 14 light years away. The fastest thing that a human has made, Solar Helios Probe can travel up to 70,000 m/s.. even with that speed it would take us 4285 years approx..
Yeah but humans have already been there, it's not so exciting :P and we can't really colonize moon, but we can colonize Mars
why can't we colonize? We need helium 3. we MUST colonize it. I wish to visit Mars, when it will be terraformed. But i will be already dead when it happens. x_x #Let'sBurnTheMoonInThermonuclearReactor
why can't we colonize? We need helium 3. we MUST colonize it. I wish to visit Mars, when it will be terraformed. But i will be already dead when it happens. x_x #Let'sBurnTheMoonInThermonuclearReactor
We are only assuming that their is some of it on the Moon, but there still isn't alot. We could use it for research, but we might aswell send missions to the moon or robots and not have to colonize it. Mars is way easier to terraform and turn into a habitable planet. We just have to warmen up the climate on Mars (in which hummanity is a really good sadly .-. ) and most of our problems are fixed :P We can do it the fast way and the slow way. Slow way would be filling the atmosphere with methan and CO2 and other gases or the idea Elon Musk (my lord and saviour) proposed, Blow up thermonuclear bombs on both poles. (it's as crazy as it sounds but it might actually work, it's just WAAAAY too risky)
1g helium-3 in 100tons moon's ground - it is a lot, i think. 1g helium-3 + 0.67g deuterium = combustion energy of 15tons of oil. wow To heat up Mars we can use fluorocarbons from its ground. They are much better than CO2. Also we need to enhance Mars'es magnetic field, so new atmosphere wont be blown away by sun wind and cosmic radiation wont kill us. And it is the main problem, because Mars is almost a cold rock, and heat up his core will be very hard. And this is only the beginning...... P.S. time on Mars flows faster. His orbital speed is 24,13km/s, Earth's speed is 29,78km/s.
1g helium-3 in 100tons moon's ground - it is a lot, i think. 1g helium-3 + 0.67g deuterium = combustion energy of 15tons of oil. wow To heat up Mars we can use fluorocarbons from its ground. They are much better than CO2. Also we need to enhance Mars'es magnetic field, so new atmosphere wont be blown away by sun wind and cosmic radiation wont kill us. And it is the main problem, because Mars is almost a cold rock, and heat up his core will be very hard. And this is only the beginning...... P.S. time on Mars flows faster. His orbital speed is 24,13km/s, Earth's speed is 29,78km/s.
That is sadly true with the magnetic field :c bad sun. And those speed differences have very little impact on time xd
1g helium-3 in 100tons moon's ground - it is a lot, i think. 1g helium-3 + 0.67g deuterium = combustion energy of 15tons of oil. wow To heat up Mars we can use fluorocarbons from its ground. They are much better than CO2. Also we need to enhance Mars'es magnetic field, so new atmosphere wont be blown away by sun wind and cosmic radiation wont kill us. And it is the main problem, because Mars is almost a cold rock, and heat up his core will be very hard. And this is only the beginning...... P.S. time on Mars flows faster. His orbital speed is 24,13km/s, Earth's speed is 29,78km/s.
That is sadly true with the magnetic field :c bad sun. And those speed differences have very little impact on time xd
Please keep this thread on topic. As to the joke, it is not racist, however please avoid sharing jokes that may cause offence, XxZalphinoxX.
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