Why does time slow down near a black hole? (But, you don’t age slower)

213,487
0
Published 2024-04-26
To try everything Brilliant has to offer—free—for a full 30 days, visit brilliant.org/FloatHeadPhysics . You’ll also get 20% off an annual premium subscription.

Why do you age slower closer to a black hole? How doesn Einstein's theory of relativity intuitively explain gravitational time dilation?

This video was sponsored by Brilliant

All Comments (21)
  • @Akagami2404
    Never stop making videos even if u get less views,some channels r really good and this is one of it
  • @wlockuz4467
    Fun fact: Watching this video on Miller's planet would cost you ~2.2 Earth years.
  • 10:02 "That's what I am talking about!" I can't stop smiling. Your explanations are always to the point and easily understable, but these subtle comments, they are in the next level!!
  • @overtoke
    being on earth makes you age "slower" too. no matter how 'slow' it gets you will always experience a normal flow of time from your perspective. like the water planet in the movie interstellar. they experienced a normal flow of time from their perspective.
  • @beepbop6697
    Love your vids that breakdown complicated topics into easily understandable chunks!
  • @sauravroy5737
    This is by far one of the best Physiscs explantion channel that I have ever seen...
  • @Hatemode_NJ
    This is the type of channel that should have 50 million subscribers. Don't stop what you're doing. You're one of the best at it. I've watched more videos on these subjects than I can count, but after watching only a few of yours, it all makes so much more sense. Not only that, I was able to easily connect other videos you made to related topics and they all come together in my mind seamlessly. It reminds me how my highschool chemistry teacher couldn't teach me something in a year that a college professor described in one sentence and I still remember it over twenty years later.
  • @jamesbickham9681
    5:35 my brother, I love watching these type of videos, although I may not understand 90% of it. Let me just say it 5:30 mark, the way you broke down the apple falling towards the ground versus the ground, moving in the path of where the Apple was going just blew my mind. I never make comments on pages, but I’m taking time to tell you, bravo. I’ll be following your page for a long time!
  • @DM-jo5ko
    Every. Single. Video. I am BLOWN AWAY
  • @esotsm54
    Listen to me, you sir are the best YouTuber, period. Please never stop making videos
  • @sdal4926
    I think Einstein would be proud of you.
  • The concept of these physics are quite profound. Without time, motion becomes impossible. This also means that motion and speed are affected by gravity in crazy and unexpected ways. Simply being in strong gravitational field does indeed affect aging. So when we “measure” the age of our universe which is expanding, was a year really a year when the universe was more dense? It certainly seems that 1 year very soon after the Big Bang could have actually been thousands or even millions of years relative to a year that we perceive now due to the gravitational affect of so much matter being in a smaller volume of a more compact universe.
  • @GadgetUK164
    Brilliant video - love the channel and your passion for physics!
  • @vitriolveio
    Love how passionate and engaging you are! Your visuals and explanations helped me understand this at a deeper level so thanks🤙
  • @guruyaya
    This is amazing intuition into a very hard problem. Great job
  • @actionpoker7C2H
    Loved using your relativity series to expand my knowledge and then finally intuitively demonstrate the concept of gravity being a fictional force to my friends. I made the flat spacetime graph, made the cone graph, and a figure to show Einstein's clock in like 15 minutes in a late night discord call. Started with Galileo's transformations on a train to introduce relative velocities, then used a thought experiment about what happens when Galileo lets go of the ball from the leaning tower of Pisa in terms of Newtons first and second laws of motion first from Newton's classical perspective where the ball begins to accelerate due to an applied force, and Einstein's where the ball remains at rest. Using your graphs, I showed how the equivalency principle shows us Einstein's alternative explaination for our observations. It was incredibly fun for everyone and I thank you for your efforts. For the sake of time (pun intended) and my own limited intuition I asked them to accept time dilation and that we observe it now in many ways but I suppose ill be threading in an imaginary space station next time. Its still hard for me to take a leap in this demonstration from objects accelerating toward eachother with zero relative motion to the idea they could accelerate away from eachother without relative motion. Luckily, I live in an area with gravity so I'm confident it happens 😂
  • @Robinson8491
    Thank you Mahesh, for showing me the connection between the cycloid (a rolling, rotating circle) and gravity in General Relativity I was looking for for 4 years. And it turns out to come from the master himself, Einstein! I love it ❤
  • @Sayan2b1
    Best advice you provided us at the end of the video. I will definitely try it. And I love this video so much. Now I feel satisfied to know this concept 😊