[RD] What would altered time actually look and feel like?

[Mouthwash]

Sci-fi is full of this. What would areas where time ran twice as slow or twice as fast be like? Or let's say you had a superpower and could freeze objects in time with a touch. Would light bunch up around these objects or would it be reflected? If the universe has no objective frame of reference, then how could they be shot out past the Earth as it stops moving? Black holes have huge amounts of time-frozen matter in them, and they aren't stationary. And what would happen if you applied pressure to a frozen object?

There's also the matter of how time is altered. In Fine Structure, part of a character's body vibrates at near-relativistic speeds across higher spatial dimensions, which slows time enough to make her invulnerable. Would that produce different results than the spacetime curvature in black holes?

 

[Kyriakos]

From the scope of something other, time doesn't have to be a thing, ie be something itself and not just formed as impression of some observer (eg a human). It isn't unlikely that "the universe itself" doesn't feature time as a distinct property, or even as part of some other property.
We do.

 

[Mouthwash]

So, er, time is subjective? That's pretty well established. I just don't understand how you think it relates to the topic.

 

[Traitorfish]

So, er, time is subjective? That's pretty well established. I just don't understand how you think it relates to the topic.

The way the question is posed, "look and feel like", suggests you're asking how we'd experience an altered flow of time, and the answer to that is simply that we wouldn't, because we'd affected by any changes in the same way as our surroundings. If you're asking a more scientific question, you'll probably need to be more specific.

 

[Mouthwash]

The way the question is posed, "look and feel like", suggests you're asking how we'd experience an altered flow of time,

I can't find a title editing feature on Xenforo. In any case it's better form to, y'know, read the OP.

and the answer to that is simply that we wouldn't, because we'd affected by any changes in the same way as our surroundings. If you're asking a more scientific question, you'll probably need to be more specific.

I'm basically asking how extreme time dilation would look to us if we could make it in a lab. Is that sufficient?

 

[AppleDumplingHead]

A housefly has a different perception of time than humans. We appear to move in relative slow motion.

If you were moving so fast in "spacetime" that you're faster than light, what you'd imagine to be the image of things "catching up", the way it would actually appear is as a converging point of light, directly "ahead", not like Star Trek with stars "flying by" out the window.

If you tried to move forward in time without physically moving, you'd teleport into empty space (hopefully not into an asteroid), because Earth would be off in its projected course.

 

[Bugfatty300]

It would look exactly like everyday normal time. Except more dilated-looking. It would also be beige with alternating red tinge. It would also smell like the number 12.

 

[Broken_Erika]

Wouldn't it be totally black, since light wouldn't be moving?

 

[AppleDumplingHead]

Wouldn't it be totally black, since light wouldn't be moving?

You still have the photons coming directly toward you from your trajectory.

 

[Mouthwash]

Wouldn't it be totally black, since light wouldn't be moving?

Yeah, I was asking if the light would build up around a frozen object. If so, then it would be fried instantly when it resumed normal speed.

 

[AppleDumplingHead]

Yeah, I was asking if the light would build up around a frozen object. If so, then it would be fried instantly when it resumed normal speed.

**blinks**

Wut.

You'd have so much mass, you'd basically be like a bullet train black hole. Light would be reacting differently than you'd imagine around your periphery.

 

[Mouthwash]

Huh?

 

[AppleDumplingHead]

Huh?

E^2=(mc^2)^2+(pc)^2

Don't you know right triangles?

 

[Kyriakos]

So, er, time is subjective? That's pretty well established. I just don't understand how you think it relates to the topic.

Originally i was unsure as to what you specifically meant when you used those sentences, but looking at:

I'm basically asking how extreme time dilation would look to us if we could make it in a lab. Is that sufficient?

i may risk a guess that you didn't pick up the point that time as a thing-in-itself may not exist at all, and is just sensed by observers like us without being part of something cosmic. And if it isn't part of something cosmic how do you expect to dilate it?

To use a quasi-parallel (again, not really a parallel), for people who thought that air contained other elements ("phlogiston" theories of old, etc), it would make sense to look for changes in those elements. But if those don't exist, you can't change them either.

Later edit: I think you are just asking about the effect itself as picked up by us, and not asking about anything happening in some cosmic manner. So, yes, in that respect i accept your question, though even approached from a physics scope it seems uncertain if it is actually a phenomenon that takes place at all (time dilation).

 

[Mouthwash]

E^2=(mc^2)^2+(pc)^2

Don't you know right triangles?

Haha. Nope.

 

[AppleDumplingHead]

Things move forward in time, all the time. Right now you and I are moving forward in time.

Things move forward "faster" in time all the time. A person who spend (x) amount of time on an vehicle in orbit can land with an atomic clock and the time can vary by hundredths of a second.

A stationary object "in a lab" which managed to move either forward or backward in time would disappear. Earth would continue to move through the solar system, the solar system would continue to move around the galaxy, the galaxy would continue to move through the universe, so unless your "time thing" carried the entire planet, etc, your experiment would teleport and end up somewhere in empty space.

If you want to move forward in time, you move faster than the Earth, solar system and galaxy are moving through space, because these things are relative. As you approach the speed of light, you gain mass because of Einstein's theory of mass-energy equivalence.

As you accelerate to the speed of light, your perception of external photons converge gradually to a point toward your destination. If, somehow, you're moving faster than light, to modern best guess, you now have so much energy, it has a virtually endless (empty set) mass, thus virtually endless (empty set) gravity, and you're surrounded by what Hawking called "Hawking Radiation".

https://en.wikipedia.org/wiki/Hawking_radiation

External observers would "see" you as a "black hole" in space because of the quantum mechanics of particles in your surrounding gravitational field. You'd probably also have a particular "push" on all mass near you, rending entire galaxies apart, as you literally carve a canal through spacetime.

 

[Mouthwash]

I still don't understand what that has to do with slowed or frozen time.

 

[AppleDumplingHead]

I still don't understand what that has to do with slowed or frozen time.

Time is relative to your acceleration via force. P in the above video is momentum because Newton called it progress. Momentum is mass times velocity. Velocity is calibrated by distance and time, so time divided by velocity is distance (displacement). When you have positive or negative acceleration (mass times acceleration is force) you have a variance in time.

Generally. Unless we observe something different. It holds true when you get a speeding ticket.

That is what time "is".

See, you don't just "have time" because the Earth spins or because the Earth goes around the sun. You "have time" because of that, plus the solar system is moving around a big toilet bowl that's the milky way galaxy and the galaxy is moving through "the universe". All of these velocities affect the passage of time, and while the galaxy may have positive or negative acceleration, you'd never notice because you experience the flow as riding a moving train, which is Earth, and it all changes together.

So if an enclosed experiment is suddenly "outside of time", it's either dramatically positively or negatively accelerating relative to its surroundings, which "is the universe", unless you happen to take the universe with it, but then you still wouldn't notice, because you're just making the "train go faster", you're still in your seat.

 

[Mouthwash]

I didn't understand most of that... look, time moves faster for people in orbit because they are farther from Earth's gravity well. That's time dilation right there. All I'm asking is for how the extreme end of the scale would look.

 

[AppleDumplingHead]

I didn't understand most of that... look, time moves faster for people in orbit because they are farther from Earth's gravity well. That's time dilation right there. All I'm asking is for how the extreme end of the scale would look.

"Farther from gravity well" doesn't only explain it. You're talking about something like a bowling ball sitting on a trampoline, and orbit on the periphery of the depression , and like a wagon wheel, the part of spokes at the periphery move faster than the part of spokes near the hub. Again, that is varied acceleration.