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 Posted: Sat Jun 24, 2006 10:05 pm
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LiBu AstronomyGirl Yes it would actually stretch you, or any object. It's all tidal forces. It's the same effect that makes the moon cause the tides on the earth. That's pretty f'd up. [/stupid response]
lol. not really. It's just gravity to the extreme. blaugh |
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Posted: Sat Jun 24, 2006 10:15 pm
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AstronomyGirl LiBu AstronomyGirl Yes it would actually stretch you, or any object. It's all tidal forces. It's the same effect that makes the moon cause the tides on the earth. That's pretty f'd up. [/stupid response] lol. not really. It's just gravity to the extreme. blaugh
Yeah, I just didn't know what else to say, so I thought it would be funny to say that. |
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Posted: Sun Jun 25, 2006 6:47 am
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Posted: Sun Jun 25, 2006 4:20 pm
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AstronomyGirl Endrael AstronomyGirl Endrael Twin paradox? Not familiar with that off the top of my head xp It has to do with relativity, mainly time dilation. Einstien thought it up. Here's how it goes: There is a set of twins. One gets on the space ship and flies very close to the speed of light to some nearby star and then comes back. The other twin stays on the earth. Because of time dilation the person on earth sees time passing on the space ship slower then on the earth, so then when the space ship twin retuns to earth they are years younger then their twin. ... or something like that. blaugh Ah yes blaugh I know that one. I'd just never heard it called that before. ah. lol Well what do you call it then?
I've only ever known it to be called the age paradox. Although it's not technically a paradox at all, because a paradox requires two things to be mutually exclusive of each other but still possible, and the 'slow' aging by travelling near light speed compared to someone aging 'normally' on a planet doesn't fit that. It's simply time dilation/contraction due to relativity. |
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Posted: Sun Jun 25, 2006 9:17 pm
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Posted: Mon Jun 26, 2006 10:41 pm
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AstronomyGirl Endrael AstronomyGirl ah. lol Well what do you call it then? I've only ever known it to be called the age paradox. Although it's not technically a paradox at all, because a paradox requires two things to be mutually exclusive of each other but still possible, and the 'slow' aging by travelling near light speed compared to someone aging 'normally' on a planet doesn't fit that. It's simply time dilation/contraction due to relativity. ah cool lol yea. It's not really much of a paradox other then that they're twins and should be the same age. blaugh
Maybe it should be called an anomaly?
[/attempt to impress with vocabulary] |
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Posted: Tue Jun 27, 2006 1:13 am
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LiBu AstronomyGirl Endrael AstronomyGirl ah. lol Well what do you call it then? I've only ever known it to be called the age paradox. Although it's not technically a paradox at all, because a paradox requires two things to be mutually exclusive of each other but still possible, and the 'slow' aging by travelling near light speed compared to someone aging 'normally' on a planet doesn't fit that. It's simply time dilation/contraction due to relativity. ah cool lol yea. It's not really much of a paradox other then that they're twins and should be the same age. blaugh Maybe it should be called an anomaly? [/attempt to impress with vocabulary]
From a certain point of understanding, it could be considered anomalous, yes, since an anomaly is any piece of unexpected information that lies outside the current framework being tested and which can't be explained by mechanical or interpretive error.
And my god, that just created an entirely random correlation of thought for perfectly explaining it eek
For example, the Otherworld of fairies/fae/sidhe/whatever. Time is said to pass very slowly there compared to the rest of the world, which is highly anomalous from a medieval understanding of the world. There's simply no explanation for it. It's an event that does not fit with the common understanding of the world, or any available information or theories as to how the world functions.
But, drop our history machine off in the 20th century or anytime thereafter and bam, you have an explanation for it: relativity. Of course, it fails to explain how travel of that speed was achieved, but it does explain why there's an aging difference between our world and the Otherworld of the fairies/fae/sidhe/whatever. In this context, the aging difference is not anomalous. |
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Posted: Thu Jun 29, 2006 3:18 pm
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Posted: Sat Oct 14, 2006 12:23 pm
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Endrael Actually, you're right. Time is a purely human construction sweatdrop It's because of how we perceive the world that we have an impression of time, and so must create a framework for talking about it. From a purely mechanical stand point, any event involving motion can as logically follow a forward path as well as a backward path and be perfectly valid in either direction. (An asteroid being affected by the gravity of bodies around it is a good example.) And if you want to be really technical, you're traveling through time right now wink It's just in a forward direction. But you're probably wanting time travel into the 'past', yes? As far as I know, the only way to realistically achieve time travel would be to travel faster than light. If you're familiar with relativity, you'll know the problem with accomplishing this. If not, a summary: the faster you travel, the more energy you need in order to accelerate to a higher speed, because as you accelerate, your mass increases exponentially, until, once you reach the very threshold of light speed (99.9999999999999999...% the speed of light), you'd need infinite energy to accelerate your infinite mass to light speed. This is an obvious impossibility, so what you need to do is find a way around this (a la warp speed from Star Trek). Faster than light travel has, partially, been accomplished in the lab (you can find the article explaining how it was done in the news thread), but since it's on a subatomic level, chances are it's not going to be very useful for actual time travel, and there's no guarantee that what happens on a quantum level will translate into being effective on an every day scale.
yeah that's true cuz to man the fastest speed is light speed...if you do travel faster than light could u cross demensions...i was wondering because of what a black hole does to light so if u travel faster than light though a black hole could u cross demensions..some scientist think that at the center of a black whole is the essence of time as we know it.. |
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Posted: Sat Oct 14, 2006 5:09 pm
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Posted: Wed Oct 25, 2006 3:15 pm
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Posted: Wed Oct 25, 2006 6:30 pm
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Posted: Tue Nov 14, 2006 5:29 pm
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Posted: Tue Nov 14, 2006 7:58 pm
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Posted: Fri Mar 30, 2007 9:58 am
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