TheThing

I'm done I'm recommending a thread lock to the moderators.

 

Take your attitude elsewhere we have no place for it here

oh whats wrong smart guy??

dont have any math for me?

didnt think so

Well, then your statement of a fraction of a second must be unphysical. This suggests to me that you can 'tap the Earth' before a photon released at the same time as you start to move your arm reaches the Earth. Thus you have faster than light communication. This is the problem.

 

I hope you see our confusion with the thought experiment your propose. The solution we think is really in that it takes time for your shoulder to tell your fist to move.

 

PS. Lunch time here, I may check this thread again in a few hours.

i ment to say that i didnt say the larger you would see his hand move faster then light

This is the kind of attitude of a petulant child. I am asking for your idea on relativity you reply with attitude and show lack of math.

you keep going on on about the math,can you fkin sit here and show me the math that proves im wrong?if not then stfu about the fkin math

you fail to understand that i dont need math to proove any of this,its already been proved by thousands of people with out using math,go search for yourself

We are all aware of time dilation.

 

 

I am not sure exactly what you mean by this. Time dilation occurs when different observers compare durations of events.

 

 

Not really relative to each other. The point is that in general, different inertial observers will not agree on lengths and durations.

 

 

 

 

Now you need to be careful. Once again, time dilation only 'occurs' when different observers compare their measurements of durations.

 

So, your statement 'time will slow down the faster you move' is a bit ambiguous. So, as far as you are concerned nothing happens to your own clock. You only notice anything odd when you compare your clock with another observer who is not at rest with respect to you.

 

 

That is not time dilation as we usually understand it. It is however true that if some body were have a velocity greater than the speed of light as measured by some inertial observer, then one can always fine an inertial frame of reference for which the body is moving backwards in time.

 

 

We think that that this is impossible, due to our arguments about rigid bodies, or indeed the maximum angular velocity of any 'small element' of your hand. You cannot measure any material body to move at the speed of light of greater.

 

 

Meaning that if you time a photon from the Sun to the Earth that is released at exactly the same time as you start to rotate your long arm, the photon reaches the earth first?

 

This is what we expect and would be quite consistent with physics, but this is not consistent with your one second to swat.

 

 

The person on Earth will indeed see that no part of your arm moved faster than the speed of light. We agree.

 

 

I think you have not solved the problem. Are you claiming that the large you will see your fist (say) moving at the speed of light or faster?

 

 

You do not have to prove anything, but I am not convinced your arguments quite solve the problem.

 

 

Right back at you!

i did say that from the big you's perspective you wil lsee your fist travel faster then light,i said the opisit really,i said to you that your hand will takes a fraction of a second to reach earth and that to a smaller observer it will take alot longer for your hand to reach the earth,there for thats time dilation,think hard about it,smaller person will experince hours of time passing before your hand reaches earth,but you will only experince a split second of time passing

That part of the thread was great. Someone presenting we are all wrong with zero zip mathematical detail. Well let's just say it irritated me lol.

you a idiot kid,you know nothing,i just gave you everything you need to know

im not a fkin math teacher,i cant sit here and spit equasions,but i can fkin send you links that exsplains exactly what im saying,and the links prove it for me,i shouldnt have to come up with any type of math,your just a idiot, if you had a working brain you would of been understood what i said.

but let me guess,you still think your right?and every other physics expert is wrong?even albert is wrong too huh?someone get this guy a nobel prize but first put a helmet on him before he walks up the stairs to the stage, he might trip and hurt himself

i think your full of yourself,you have no degree

you say present math?i have something even better

how about this,the satilites that are in space right now,orbiting the earth at high speeds,they use reletivity theory in order to make you gps work

or go and google this test where scietist had 4 atomic clocks,they put 2 clocks on a plane then flew around the world 2 times,first in one direction then the second in another direction

they left 2 clocks stationary on earth,guess what happend when they collected all 4 clocks?the 2 on the plane were de-synced due to time dilation and reletivity

http://www.highexistence.com/einsteins-theory-of-relativity/

here is a video prooving everything im saying is true,if u dont undertsand after watching the vid,then plse reframe from saying im wrong

Present the math not your screaming attitude. I happen to have a few degrees in physics. These degrees include relativity as a first year lesson.

i think your full of yourself,you have no degree

you say present math?i have something even better

how about this,the satilites that are in space right now,orbiting the earth at high speeds,they use reletivity theory in order to make you gps work

or go and google this test where scietist had 4 atomic clocks,they put 2 clocks on a plane then flew around the world 2 times,first in one direction then the second in another direction

they left 2 clocks stationary on earth,guess what happend when they collected all 4 clocks?the 2 on the plane were de-synced due to time dilation and reletivity

I did not as how you would measure, but just with respect to what observer. As far as the end of your fist or the end of the pole is concerned nothing special happens with respect to time. Time dilation effects only come into play when comparing durations as measured by different observers.

 

 

Yes, and this and similar problems lead to the realisation that you cannot have true rigid bodies in relativity. Another example is simply take your long pole that stretched from the Earth, to say the Moon and then 'poke' the astronaut at the other end. Can you communicate instantly in this way? The answer is no as the pressure wave travels along the pole at the speed of sound in that material which is far less than the speed of light. In the most ideal system you could think of the speed of sound could be the speed of light, but no more. Meaning that there are no true rigid bodies, not even idealised ones.

 

 

I am very confused. Why did you post anything here if you are going to have such a poor attitude?

 

 

 

A simpler question to analyse could be that of a relativistic bob that is being swung around. We can assume the string is infinitely thin etc and that the mass of the bob is point-like. What is the maximum angular velocity possible?

 

(Wikipedia even answer this one!)

i dont like it when people say that i am wrong when i know for a fact that its them thats wrong

especially when they refuse to listen to reason,that is the cause of my attitude

The thing do you truly understand the rigid rod conjecture?

 

Let's start at the beginning. Man a swings a rod one light year in length. It will take one light year before the opposite end moves in response.

 

If you say otherwise it is you that doesn't understand relativity

 

This statement is correct

omg none of you understand

let me crush your mentality right quick

there is something called time Dilation

this is when time adjust itself to your perspective

this is what science means when they say time and space are relitive to eachother(if you do not agree with this,then please go to google and start googling to proove me wrong)

ever herd how science says time will slow down the faster you move?

that is called time dilation

ever hear science say that you can time travel if you go faster then the speed of light?

that is time dilation

now, if you grew so big that the earth and sun and earth is the size of marbles to you

and you swat your hand from the sun to the earth,to you, it took less then a second for your hand to reach the earth

so there for, from your perspective only,your hand did not move faster then the speed of light

but if a normal sized human watches this happen,he would see your hand slowly make its way from the sun to earth

to the small human it would take so long for your hand to reach earth,but to you it only took a split second

see how that works?its called relativity and time dilation

i do not have to proove this to any of you because all this has already been prooven and i feel bad for you if your to cocky to go and learn this for yourself,you should really not be here answering questions when you dont understand what your talking about

As measured by?

dang,i cant belive the people on here replying has no clue about any real science

i figured this would be a good source for information,but now it seems you all dont have a lick of sense

you ask how do i measure

well,the fact is that i dont have to,someone has already explained this,this has been prooven mathaticly over and over and over agian

i dont know if you ever heard of albert einstein, but he solved this puzzle a long time ago

i am done with this,i refuse to explain something that has been prooven by hundreds of scientist already

if you cant do your own research yourself then i feel sorry for you

i literally answerd my own question within 20 mins, why cant you go and find out for yourself?

wish the best of luck to you

 

I am afraid you ar wrong. Nothing can travel faster than the speed of light. It takes about 8 minutes for light to travel from the Sun to the Earth. So any object must take longer than that, whether that is a spaceship or a giant arm.

omg man,i am not wrong

i am 100% sure i am correct

you do not understand reletivity

plse,do some reaserch before you say im wrong,

you have no clue what your talking about

if you think i am wrong,i can proove to you that i am right and that your wrong

there is sceince backing this up man

unless your gonna say all the scienctist in the world are wrong

plse go do some research

here i have found a video that explains this subject, if you still dont understand,then i dont know what to tell you man

http://www.youtube.com/watch?v=ttZCKAMpcAo

 

But you wouldn't be able to move your arm this fast. Even if it was a tiny distance for you, you would still be limited to the speed of light.

acually you can, i absolutly know exactly how this works now, i can promise you that there will be no force that prevents you from swinging fast.

how do i know this? well einstein's theory of revativity has been prooven,i know its hard to grasp but if you dont understand exactly what this theory is saying then plse youtube revatity esplained.even if you think you know,please revisit this subject cause i am 100% sure that you dont fully understand this.(not trying to be a dick sorry )

the videos will break it down so that anyone can understand the theory

No material object can move at or faster than the speed of light.

 

 

 

There are no true rigid bodies. Just imagine holding a rod instead of your arm (maybe easier to imagine). As you move it a shockwave is sent through the rod 'telling' the next part of the rod to move. This shockwave can travel at best at the speed of light. The rod would bend and not move faster than light. In practice the rod would break.

 

You can do something similar with a laser beam and create a dot, say on the surface of the Moon. You can move the source quickly through an angle and make the dot on the moon travel faster than light! But no photon has moved faster than light and so no real problem with relativity.

ah i finally found info about this subject,it turns out einstein already explained this.i never understood what his theory of reletivity was acually talking about, until now

turns out that time slows down when moving at high speeds,i now understand thats how space-time compisates for such matters.i feel like a scientist now o.0

oh,and the rod you swing will not bend or break time will simply slow down for that rod so that the speed of light stays true for that object

i dont know much about science, but i remember reading something about atoms vibrating, i read that if atoms vibrate slower then the speed of light then they become physical and if they vibrate faster then light then they become un-physical
is this true?i thought nothing can move faster then light.
then i really thought about it and ran into a problem i cant figure out, and google doesnt have the answers either

its hard for me to explain but here goes,

okay,so imagine the earth and our sun, we know that light does infact take time to travel from the sun to earth.(not sure exactly how long, buts thats not important right now) so now imagine that your traveling at the speed of light towards the sun,lets just say it takes you 3 hours to travel to the sun from earth (3 hours is not correct but lets just roll with it for now)

now, imagine that you are so big that the earth and sun are the size of marbles compared to you.now, if you put your hand right above the sun and swing your arm fast towards the earth,you would hit the earth in like 1 sec, but by doing this, your hand would be moving faster then the speed of light from the perspective of a normal sized human, but it would seem like your moving faster then light from your perspective.how the fk does this work?

could matter possibly be converted into light?

i have heard of these students who found out how to convert light into mass.

so i would think it could be done in reverse.

also,i have heard that scientist have found a way to capture light for a full 60 secs inside a crystal,

they say that light and crystals can hold informatiion.

so i started to think.

what if you could convert matter into light and then find a way to store it and retrive that information.what could we do with this type of tech?

i think,if we can convert matter into light,we can then freely travel at the speed of light.(lol)maybe store our selfs as light inside a crystal

does any one here know if such a thing could be possible?

(i do not claim to know the first thing about how science works)lol.

this would exsplain ufo sightings lmao.now before you go off and label me crazy for thinking that aliens exist,think about how big our universe is and then decide if life could not exist some where else,i acually think it would be impossible for intelegent life to not exist anywhere else.anyway,i have read many ufo sighting and alot of them claim to have seen crafts turn into light.also,alot of accient cultures belived crystals held some sort of power.hmmm....think about it guys