The fundamentals of space-time: Part 2 - Andrew Pontzen and Tom Whyntie
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Date: 2020-08-22
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• TED-Ed
Comments and reviews: 10
Vinay
Thank you for this. Though I still didn't understand how 'space-time' is a single 'fabric'. The space-contraction takes place only from the driver's point of view. Is it an ACTUAL contraction, or just an apparent one from the driver's perspective? Even if it is an actual transformation, how does it show that space and time are actually one entity?
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Thank you for this. Though I still didn't understand how 'space-time' is a single 'fabric'. The space-contraction takes place only from the driver's point of view. Is it an ACTUAL contraction, or just an apparent one from the driver's perspective? Even if it is an actual transformation, how does it show that space and time are actually one entity?
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Murtaza
Did not get this one. Time dilation is only from the perspective of light traveling between two observers? As opposed to what we learned in the previous part, motion becomes relative to the observer, how come its different when observing light? Or was that not what the previous video was intended to educate?
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Did not get this one. Time dilation is only from the perspective of light traveling between two observers? As opposed to what we learned in the previous part, motion becomes relative to the observer, how come its different when observing light? Or was that not what the previous video was intended to educate?
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Jasmine
This is so far the best animation I've ever seen. As I'm in just 9th grade, I don't need to learn all these topics but I wanna learn them out of curiosity but I don't wanna go in tooo detail cuz I know I'm gonna break my head and this is the best explanation for me; so simple yet so informative
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This is so far the best animation I've ever seen. As I'm in just 9th grade, I don't need to learn all these topics but I wanna learn them out of curiosity but I don't wanna go in tooo detail cuz I know I'm gonna break my head and this is the best explanation for me; so simple yet so informative
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education
First time i watched this video i couldn't make it past the first minute, got back after watching about 20 other videos(my mind must have connected the dots then. Now I realized this video is the best after all. I guess we have to push ourselves a little further to grasp something new.
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First time i watched this video i couldn't make it past the first minute, got back after watching about 20 other videos(my mind must have connected the dots then. Now I realized this video is the best after all. I guess we have to push ourselves a little further to grasp something new.
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Thabo
So spacetime theories are theories dealing with hypothetical illusions? Because things only change as we observe them but do not change physically. There is no change in the matter that makes up the subject being observed even if it is observed differently?
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So spacetime theories are theories dealing with hypothetical illusions? Because things only change as we observe them but do not change physically. There is no change in the matter that makes up the subject being observed even if it is observed differently?
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Thai
Nice cartoons but you lost me when you say things can't appear to go faster than light speed. If something is going at light speed towards you, and you're travelling at x speed towards it, it WILL approach you at light speed + x.
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Nice cartoons but you lost me when you say things can't appear to go faster than light speed. If something is going at light speed towards you, and you're travelling at x speed towards it, it WILL approach you at light speed + x.
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Jenelyn
If I have learned about Lorentz transformation like this back in college, I would have appreciated it more rather than just throwing mathematical equations here and there.
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If I have learned about Lorentz transformation like this back in college, I would have appreciated it more rather than just throwing mathematical equations here and there.
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Maxim
The main fundamental - Time does not break, time ceases to exist at all being transformed to the next dimension. Time is just an energy and all energies are transformable.
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The main fundamental - Time does not break, time ceases to exist at all being transformed to the next dimension. Time is just an energy and all energies are transformable.
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Space
Why is the distance between the posts less in Tims perspective (Andrews Lorentz contraction) but increased in Andrews perspective (Tims Lorentz contraction?
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Why is the distance between the posts less in Tims perspective (Andrews Lorentz contraction) but increased in Andrews perspective (Tims Lorentz contraction?
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Aditya
Me: hey brain you saw all that, right?
Brain: yeah
Me: do you understood anything?
Brain hides somewhere in time and space
Me:
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Me: hey brain you saw all that, right?
Brain: yeah
Me: do you understood anything?
Brain hides somewhere in time and space
Me:
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