Hmmm, interesting. They'll be so big anyway that they'll flex, and then ends cannot move at the speed of light. They'll just get heavier and eventually the energy required to accelerate them will break the scissors? Which bit's wrong?
What is time? Is time travel possible?
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Hmmm, interesting. They'll be so big anyway that they'll flex, and then ends cannot move at the speed of light. They'll just get heavier and eventually the energy required to accelerate them will break the scissors? Which bit's wrong?
How can the tip of the blades, a light year apart move that distance in a matter of seconds? The problem is solved by assuming that they don't close in that time - the real problem lies in what happens and why?
Pj
[edit] growse: the "getting infintiely heavy bit" is incorrect!
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Oh right,you mean it like that,faster you move means you shrink,its actually shrinking and time slowing down *i think*
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The scissors one is a bad example imo.
Okay - imagine a steel rod from the Earth to the Sun, now, it takes eight minutes for light to reach us from the sun, so if I move the rod at one end, how long will it take for the other end to move accordingly?
Its a strange one, because if nothing can travel the speed of light, then there'd be a wierd delay in the movement of the rod.
I'd imagine it would look like a wave, i.e. you can see the movement travel up the rod.
All wierd stuff kids.
/any geniuses care to correct me, I'm sure I've made a mistake
Okay - imagine a steel rod from the Earth to the Sun, now, it takes eight minutes for light to reach us from the sun, so if I move the rod at one end, how long will it take for the other end to move accordingly?
Its a strange one, because if nothing can travel the speed of light, then there'd be a wierd delay in the movement of the rod.
I'd imagine it would look like a wave, i.e. you can see the movement travel up the rod.
All wierd stuff kids.
/any geniuses care to correct me, I'm sure I've made a mistake
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Go to www.timetravelfund.com
offer them $10 to join the membership database,and they hold your details on record and use the money to pay a future time traveller,due to compound interest( it may be 500 years before there are time travellers),in which case if you are taken to the future youll be a billionaire as well as enough money and openly willing to be an experiment.
The more money the fund gets the more chances that the records and cash can be held for years and years.
Clever stuff,$10 is about £6 so if you can waste £6 on a billion to one chance its probably worth it.
I dont think they can legally pocket the money,i hope there using it the way its intended,they got into USA todays good books so they probably are.
Anyway ill let you decide.
offer them $10 to join the membership database,and they hold your details on record and use the money to pay a future time traveller,due to compound interest( it may be 500 years before there are time travellers),in which case if you are taken to the future youll be a billionaire as well as enough money and openly willing to be an experiment.
The more money the fund gets the more chances that the records and cash can be held for years and years.
Clever stuff,$10 is about £6 so if you can waste £6 on a billion to one chance its probably worth it.
I dont think they can legally pocket the money,i hope there using it the way its intended,they got into USA todays good books so they probably are.
Anyway ill let you decide.
You're pretty much right in "seeing" the scissors flex - the issue lies in the theoretical limit that special relativity lays out regarding the rigidity of the material of the scissors i.e. no matter how rigid the material actually is, there is a limit - much like the speed of light!
What actually happens is that when you close the handles, information about closing the handles must travel (at the speed of light) transmitting the force along the blades - the section of the blade closest to you will close, hence you assume the entire blade has closed - but it will actually take several light years to close since the information must travel along the blades.
Pj
What actually happens is that when you close the handles, information about closing the handles must travel (at the speed of light) transmitting the force along the blades - the section of the blade closest to you will close, hence you assume the entire blade has closed - but it will actually take several light years to close since the information must travel along the blades.
Pj
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Thats what I meant
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Be warned though that if you get pulled into the future,i doubt they will send you back home,if it really happened it might turn out to be a nightmare,then again you might be happy 500-1000 or whatever years into the future.
Reason they wouldnt send you back is due to info you get,the laws will be different.
From there perspective your just a willing participant who happens to have a lot of money that can only be drawn on by future time travel,in such a case they will pocket the money and leave you stranded in the future,youd be a risk to send back,perhaps they cant send you back.
Thats why im dubious,a lot of people said to me "thats a pessimistic paranoid way of looking at it"
yeah its also logical
if youre lucky youll just lose your $10,if youre unlucky youll lose everything,youll be 500 or more years in a place so strange it may as well be an alien planet,and from everyones perspective here an now you dissapeared without a trace leaving your loved ones worrying where you went till they die.
Sometimes the grass isnt always greener on the other side.
Reason they wouldnt send you back is due to info you get,the laws will be different.
From there perspective your just a willing participant who happens to have a lot of money that can only be drawn on by future time travel,in such a case they will pocket the money and leave you stranded in the future,youd be a risk to send back,perhaps they cant send you back.
Thats why im dubious,a lot of people said to me "thats a pessimistic paranoid way of looking at it"
yeah its also logical
if youre lucky youll just lose your $10,if youre unlucky youll lose everything,youll be 500 or more years in a place so strange it may as well be an alien planet,and from everyones perspective here an now you dissapeared without a trace leaving your loved ones worrying where you went till they die.
Sometimes the grass isnt always greener on the other side.
i dont think of it in as much detail as u obviously do but i will say this, i believe that time is a dimension above the 3rd, whether it be the 4th dimension i am not sure, but i do believe that it is a dimension above the 3rd. (probably the 4th!)
Soldato
It is the fourth dimension. Easy to prove.
Take a line. How many bits of informations do I have to give you for you to know a place on that line? 1, "its x meters down the line". So its 1d
Take a surface like the Earths. You need 2 coordinates, latitude and longtitude to find a point on that. 2d
In a volume like a room you need 3 coordinates to find a point. 3D
In the universe at large. If I ask you "Give me the coordinates for The Battle of Hastings" you'd says "x,y,z (the spacial coordinates) and 1066" becuase you have to specify a time too. Modern day Hastings has the same x,y,z coordinates but a different temporal one. Therefore to specify any event that has/is/will happen in the universe you need 4 coordinates. Therefore the universe is 4D.
Soldato
The scissor thing. Ok, I think the scissors would shut as normal. The blade would travel faster than light, but so what? why would that effect the matter of the blades. Its just the photons of light reflecting from the steel blades that you wouldnt be able to see, or you'd see them closing delayed.
But, surely light has got nothing to do with the actual matter.
Say, if I ran faster than the speed of light, my matter wouldnt bend or anything strange, but someone watching me run would see all sorts of strange things.
Light is just light, its not the actual concrete object you are talking about.
When you put a straw in a glass of water, the straw looks like its bending because of refraction. The speed of light travels slightly slower through water and therefore you see the straw bending. but the bend doesnt actually exist.
If the scissors did have enough energy to close, they'd close? I dont see the problem. The light may be screwed up, but whats light got to do with the solid matter?
But, surely light has got nothing to do with the actual matter.
Say, if I ran faster than the speed of light, my matter wouldnt bend or anything strange, but someone watching me run would see all sorts of strange things.
Light is just light, its not the actual concrete object you are talking about.
When you put a straw in a glass of water, the straw looks like its bending because of refraction. The speed of light travels slightly slower through water and therefore you see the straw bending. but the bend doesnt actually exist.
If the scissors did have enough energy to close, they'd close? I dont see the problem. The light may be screwed up, but whats light got to do with the solid matter?
Soldato
Why cant they move faster than light? Light is just light travelling at some random speed. I still dont see the association.
Soldato
Now we're getting somewhere. What about Astral Projection and Out Of Body Experiences. Oh and what about the "afterlife"?
Soldato
.........and the monkey I gave birth to this morning
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I wish time travel was possible, i would go back and remind myself not to read this thread
Only joking thanks for the intresting read guys espically this part
"Okay - imagine a steel rod from the Earth to the Sun, now, it takes eight minutes for light to reach us from the sun, so if I move the rod at one end, how long will it take for the other end to move accordingly?"
Only joking thanks for the intresting read guys espically this part
"Okay - imagine a steel rod from the Earth to the Sun, now, it takes eight minutes for light to reach us from the sun, so if I move the rod at one end, how long will it take for the other end to move accordingly?"
anyone seen 'Cube 2: Hypercube'? that features the 4th dimension in a drawn form so that u can 'understand' it even with a 3d brain. of corse we'll never fully understand it due to the obvious limitations of our 3D understanding, unless of corse we forget everything we know about dimensions and learn it all again with a 4th dimension.
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Originally posted by TerraS
Now we're getting somewhere. What about Astral Projection and Out Of Body Experiences. Oh and what about the "afterlife"?
Damn i wish i could swear at you and threaten to strangle you,instead i could ramble some stuff you wont understand,in turn youll probably come out with another sarcastic reply like everyone will read it and think your funny and ill post some more ramblings.
But i wont.
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