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faster than light (Read 846 times)
Reply #15 - Dec 4th, 2003 at 6:25am

Hagar   Offline
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Craig. I suggest that travelling at supersonic speed is a completely different proposition to the speed of light.

I'm told that some stars I can clearly see in the night sky with my rapidly failing eyesight actually disappeared millions of Earth years ago. Roll Eyes
 

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Reply #16 - Dec 4th, 2003 at 6:28am

Craig.   Offline
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LOL:)
in the end its all theory and whats if's. lets face it, it is very unlikely in any of our lifetimes that it will happen.
although according to star trek history in 2063 after the third world war zephram cochrane will make the first faster than light trip:) so some mays till be alive for that Grin
 
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Reply #17 - Dec 4th, 2003 at 6:31am

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lol yes some stars you see are now dead:)
Mr Hagar, you and Mr Fozzer are those two old guys in line at the supermarket who complain about everything moving on so fast with the world and how the young hooligans of today are taking over, and that all this technology is no good for the planet, as you managed to survive without even a TV Grin
Cheers mate:)
 
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Reply #18 - Dec 4th, 2003 at 6:42am

Hagar   Offline
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Quote:
lol yes some stars you see are now dead:)
Mr Hagar, you and Mr Fozzer are those two old guys in line at the supermarket who complain about everything moving on so fast with the world and how the young hooligans of today are taking over, and that all this technology is no good for the planet, as you managed to survive without even a TV Grin
Cheers mate:)

Don't mock the afflicted young Craig me lad. You will be just like me & old Foz one day. I guarantee it. That's if you survive of course. Tongue

Looking at all the doddering old fogeys like us it might be difficult for you to believe that we were once young sprogs, very much like you. All bright-eyed & bushy-tailed, we had open minds & were prepared to go along with all this nonsense the "experts" & scientists are so fond of. We've all done things you will possibly only ever experience in your wildest dreams. Shocked

I can't speak for Foz, but I become more cynical with each day that passes. Roll Eyes
 

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Reply #19 - Dec 4th, 2003 at 6:50am

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actually i cant mock:) as i am rather jealous, you have gotten to experiance as you said things i never could. Man landing on the moon for the first time. England actually winning a football world cup. The greatest era in aviation, the explosion of television. Everything we have these days is nothing more than an expansion of what was created back when you were younger and even before. To experiance that would be great.
 
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Reply #20 - Dec 4th, 2003 at 7:00am

Hagar   Offline
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No need to be jealous. There's still plenty of exciting things going on. I have no wish to stop you dreaming, I still have my own. Plenty I haven't seen or done yet. Wink

Like most men worth their salt I'm just a 16 year-old lad who never grew up. Unforunately I'm now a tad restricted by my 60 year-old body. Things take a little longer than they used to, that's all. Roll Eyes Grin

PS. Anyone see where I left my glasses? ??? 8) Grin Cheesy
 

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Reply #21 - Dec 4th, 2003 at 9:12am

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Quote:
I don't see what you're saying here, mate. Data travels at the speed that the medium by which it is transferred allows. Be it a hollow tube to yell into Grin or a fibre optic cable

Laser pulses were found to be leaving a box that they were fired at before they were detected entering it.
Yes that does sound confusing but NewScientist magazine readers will have probably read the article that explains it all.

Also we won the rugby world cup or have you forgotten.  Also it is likely we will man mission to Mars in our lifetime.
 

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Reply #22 - Dec 4th, 2003 at 1:53pm

Professor Brensec   Offline
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Hyvry said
Quote:
Laser pulses were found to be leaving a box that they were fired at before they were detected entering it.
Yes that does sound confusing but NewScientist magazine readers will have probably read the article that explains it all.


Maybe my problem with 'cottoning' onto your statement is my understanding of "data".  ???

Data to me is: information, facts, figures, whether they be numbers, letters, or any kind of symbol or pulse etc.
They all need to be transferred by a medium. How is Data itself, a travelling object or particle? To me it is the information contained within the transfer medium! Wink All data has to be 'converted' to a medium of some sort before it can be moved at all. These mediums have been electrical pulse (old telephone or Morse set), Radio waves, TV signals, Microwaves and even a scratch of lead on a peice of paper.  Cheesy

How does data move at any speed, without a medium by which to travel?  ???

That's the purpose of my query. I hope it makes sence.  Grin Wink
 

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Reply #23 - Dec 4th, 2003 at 1:58pm

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Quote:
to those who keep saying its impossible, no it isnt. We just havent gotten there yet. They said breaking the sound barrier was impossible but it happend when we had the technology and understanding, they said we couldnt go into space or to the moon, but we did when we had the technology and understanding. Right now we dont have the technology one day we will.

now loomex, i am not really on about if you were to shine a light while traveling said speed, i am on about if you were to plot a direct course back to the sun out into space at the speed of light, i know it wouldnt be possible without hitting something but theoreticlly speaking. your only light source is the sun the light which is coming from it would be traveling slower than you so to see any light you would as someone suggested, have to look back. and who suggested hitting air would be dangerous? in space there is no air, remember if your ever to be able to travel these speeds it wont be on a planet.


As you know Craig, I'm an avid ST fan (in fact all Sci -Fi), but I fear there is a huge difference between the examples you've given (sound, the moon etc) and travel at C.
Although, apparently there are Scientists, more cluey than all of us that are for and against the possibility. So.....................I'll say, I just can't see the logic or possibility of it, but then who am I?? Grin Wink

P.S. Space does have air and other small particles that could interfere with extreme velocity travel. It's not a complete vacuum, as some think.  Grin Wink
 

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Reply #24 - Dec 4th, 2003 at 3:59pm

Delta_   Offline
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Quote:
Hyvry said

Maybe my problem with 'cottoning' onto your statement is my understanding of "data".  ???

Data to me is: information, facts, figures, whether they be numbers, letters, or any kind of symbol or pulse etc.
They all need to be transferred by a medium. How is Data itself, a travelling object or particle? To me it is the information contained within the transfer medium! Wink All data has to be 'converted' to a medium of some sort before it can be moved at all. These mediums have been electrical pulse (old telephone or Morse set), Radio waves, TV signals, Microwaves and even a scratch of lead on a peice of paper.  Cheesy

How does data move at any speed, without a medium by which to travel?  ???

That's the purpose of my query. I hope it makes sence.  Grin Wink

The data is simple, pulse for on, no pulse for off. It does not mean anything much.

Waves don't work at all in a vacuum (ie space) however particles work very well.  Some waves do work in vacuums but i can not remember off the top of my head which do. 

Not all data needs a medium to travel in.  Photons from other galaxies travel to earth through a vacuum and they still get here.  All we need are sensors, eyes, large dishes (of the space observation variety, not the eating off variety:P) and some computers and people to interpret it.
 

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Reply #25 - Dec 4th, 2003 at 5:59pm

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Its all about relativity. In theory it is not possible to go past the speed of light relative to another object because time would stop. Tongue If you want to know more I would read Einstien its very interesting.
 
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Reply #26 - Dec 4th, 2003 at 6:02pm

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So, the speed of light and time travel go hand in hand.... Interesting...
 

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Reply #27 - Dec 4th, 2003 at 6:37pm

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Quote:
....I can't speak for Foz, but I become more cynical with each day that passes. Roll Eyes


Quite right Doug...
The next thing is, they will be thinking that they can land men the Moon... Shocked...!
..Or even travell at the speed of light down a wormhole... Shocked... Shocked...!
Whatever next will they think of... Roll Eyes...!
Up to no good I've no doubt... Cry...!

It's just as well that you and I keep our feet firmly planted on terra firma and advise them against getting involved in such dangerous activities.... Wink...!

Paul.

P.S. I'm sure the woman in front of me has 11 items in her shopping basket, I've counted them.
So much for a quick service, 10 item or less, queue... Angry...!


 

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Reply #28 - Dec 4th, 2003 at 7:05pm

Rivers   Offline
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If Einstein’s theory is correct, light travels in constant speed no matter what happens. So if you go at 186,000 miles/second and you turn on the headlights that shoot a beam of light at 186,000 miles/second, only god knows what you will be able to see because the light is traveling at 186,000 mps the same speed as you are. And it is very confusing because if I’m not wrong the same theory says that if you are traveling at the speed of light and someone flashes a laser behind you, it will pass by you at 186,000 miles/second. ??? ??? ??? ??? ??? ??? ??? ??? ??? Roll Eyes Roll Eyes ??? ??? Tongue
 

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Reply #29 - Dec 5th, 2003 at 12:20am

Professor Brensec   Offline
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Quote:
The data is simple, pulse for on, no pulse for off. It does not mean anything much.

Waves don't work at all in a vacuum (ie space) however particles work very well.  Some waves do work in vacuums but i can not remember off the top of my head which do.  

Not all data needs a medium to travel in.  Photons from other galaxies travel to earth through a vacuum and they still get here.  All we need are sensors, eyes, large dishes (of the space observation variety, not the eating off variety:P) and some computers and people to interpret it.


What is your definiton of 'data', if not information? My dictionary has only that one. What is this 'data' you speak of, which needs no medium to travel? ???

Photons are light particles, which of course travel at light speed. Photons (light particles) ARE the medium, by which information can travel, as is used in 'fibre-optic cable' Wink

Radio waves and microwaves will travel in a vaccuum. They have used radio waves to communicate with Space craft since their inception.
 

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