Gravitational Time Dilation Explained By Michio Kaku

Gravitational Time Dilation Explained By Michio Kaku

Gravitational time dilation is a fascinating concept in physics that describes the effect of time passing at different rates in regions of different gravitational potential. This means that the closer a clock is to a massive object, the more slowly it will run. This effect was first predicted by Albert Einstein in his theory of relativity and has since been confirmed by numerous experiments.

Michio Kaku, a renowned theoretical physicist and popular science communicator, has explained gravitational time dilation in an accessible and engaging way. According to Kaku, gravitational time dilation is a consequence of the curvature of space-time caused by massive objects. The stronger the gravitational field, the more space-time is curved, and the slower time passes.

This effect has been observed in many experiments, including the famous Pound-Rebka experiment, which measured the gravitational redshift of light emitted from a source at the bottom of a tower to a detector at the top. The results of this experiment confirmed that time does indeed pass more slowly in stronger gravitational fields.

Gravitational time dilation has many interesting implications. For example, it means that if you were to stand on the surface of a neutron star, where the gravitational field is incredibly strong, time would pass much more slowly for you than for someone far away from the star. This effect has also been observed in GPS satellites, which must account for the difference in the rate of time passing on Earth’s surface and in orbit.

In conclusion, gravitational time dilation is a fascinating and well-established concept in physics that describes how time passes differently in regions of different gravitational potential. Michio Kaku has done an excellent job of explaining this complex concept in an accessible and engaging way.

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[cosmichappening]

It is the strength of the gravitational field of a mass that affects the ticking of a clock placed within it. The bigger the mass, the stronger its gravitational field, and the slower the clock will tick. It's got nothing to do with time slowing down. Time is an abstract concept; it is not objective as it is a construct of the mind and thus can only be perceived by the mind. This is why physical time travel is impossible. In this sense, it would be more correct to say that the mind is the 4th dimension rather than time: Space-mind rather than Space-time.
Time pieces such as clocks do not measure time. They measure the rate of speed at which an object or point moves through space from one location to another in units of seconds, minutes, and hours; and in the case of planet earth, the measure of one full rotation, i.e. one day, is 24 hrs/1440 mins/86400 secs. The units themselves are also abstract and not objective as they are also constructs of the mind. We use physical time pieces such as clocks to represent these abstract units objectively.

[ikizul]

No wonder i am always late for work, because time run slower for me than other people due to my heavy body.

[nathanspringer]

Yes it does. Clocks are not time itself. They measure time. If a clock slows down or speeds up due to gravitational differences, than only means gravity affects the speed of mechanical processes. If i count to 5, five seconds just passed everywhere in the universe, not 5 seconds here, 20 years there, etc. Some will perceive that 5 seconds differently, but the actual time itself is unchanged because time is inanimate - its an idea, so no physical force can affect a universal time

[OCLOCK]

But why though? What is the reason that time slows around heavier objects?

[ITZA]

Looks like he could sure use some time dilation lol.
Sorry, he's a cool guy. Couldn't resist

[Kanpuriye]

Will I would live longer earth years say if i were to be in jupiter ?
Could i talk to my great great grandsons when my twin brother could only talk to grandson and die of aging ?

[GhostPepper]

I don't like using the terms time beats faster or slower. It just gravity effect on a measuring object that displaying time. So time is not affected because time is just a measurement between two points of an event.

[vincentkinequon]

I wonder what happened with time when The whole dam universe was in one small space.

[xmavrekx]

This should be called the theory of clock relativity, not time dilation…

[loveroblox_stories]

Time beats in constant mode relative to every self...its just a measurement of displacement with the speed of light as its reference...if speed of light is constant time is constant...but lights speed is not constant.

[Kerrsartisticgifts]

Think about it this way and see how easy it is to imagine and explain why time has an "arrow" direction and why it's relative.
If time is the expansion rate of space and gravity slows the expansion rate, then it explains everything easily and it's really easy to imagine and understand.

[terasentterasent]

More gravity more drag on atoms slower motion slower time

[WizardofTechno]

Won't this be due more to the impact of different strengths of gravitational attraction due to the various masses and their impact on the physical device you are measuring time with. Time may therefore always go at the same rate, but your device aka the clock is physically slowed or speed up by the mass driven gravitational field strength.

[ariarj]

Bapak ini anehnya kalo gak salah ingat dulu dia adalah orang yang mendukung teori flat earth. Betul kah ?

[darkness]

This is probably a dumb question, but I’ll ask anyway. Is this why we are finding that the universe may be older than 13 billion years? Is it 13 billion years old only according to us on earth but it may be shorter or older to objects that have more mass or speed? This is a genuine question please don’t just tell me I’m an idiot I already know that I’m just trying to learn more, this is such a mind bending think to ponder to a simpleton like me

[malcolm]

Clocks may beat but I'm not so sure about time.

[davidhardman]

Time in the very center beats the same as the surface. In the center you have as much mass in the negative as you do in the positive. The most powerful gravity is at the surface. Open your mind humans

[CurtNovitsky]

Time is based on the motion of earth around the sun so time is just measured by what we spin around, time does not beat at all, the speed of light is the real clock compared ro our motion around the sun

[avisheksingh]

For time to stop, the star or a black hole needs to have infinite mass... Isn't it.... Or we are talking about time wrt a galaxy

[observerone]

Yet any instantaneous Now exists simultaneously across the entire universe.