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[46 pictures] UFUNK – Week End Selection n°37

3D Latte Art – 17 Cappuccino in relief by Kazuki Yamamoto

10 (too?) realistic illustrations by Dan Luvisi – The Simpsons, Monster and Co, Mario, Wall-E, Adventure Time…

Himitsuhana – 31 surreal portraits by Chiara Fersini

Clean Space – 25 photographs by Scott Newett

Twin Paradox Demystified with an animation shortfilm


Animation, Short Films,

The “Twin Paradox” or the Langevin paradox is probably the most famous effect of relativity explained by Einstein. This is an animated short that will help you understand why a twin is getting old faster than the other traveling at the speed of light in a rocket. ;) A stop motion and animation short film directed by Yuanjian Luo.

via




  • derp

    The second guy that spoke sounds like a giant faggot…

  • Xaterri

    Any transformation between two observers is a space-time dialogue between two entities A and B about a third entity C. In the ‘Galileo Transformation’, the third entity C is understood, does not appear in the notation. But the ‘Lorentz Transformation’ completely ignores the entity C, and this is why the twin paradox.
    I would like to introduce some new transformations that preserve the local velocity of light. Also resolve the twin paradox.
    Relational Transformation: http://vixra.org/abs/0909.0022

    More Information: http://21physics.blogspot.com/p/new-lorentz-transformation.html

  • http://profiles.google.com/phillazzar Phil Lazzar

    Hi Guys. Nice animation! I have a few comments though. At 2:10 you say that the ball “actually” travels farther than it appears to the passenger. I would say that this is from the point of view of the person not in the car. Furthermore, there is no absolute “actual” distance that the ball travels…only distances relative to each observer. At 2:39 you mention that light is different than the ball and this is sort of true. Light is massless (sort of) and all its speed is through the space dimension of spacetime where as the ball has part of its speed through spacetime in both the space and time dimensions. At 3:35 you mention that time is also dilated in the car but I don’t see how you can say that. Maybe you can explain it to me. It seems to me that the car and everything in it are part of the same inertial frame and therefore there would not be any time dilation within the car. How did you mean it?

  • http://profiles.google.com/phillazzar Phil Lazzar

    Hi Guys. Nice animation! I have a few comments though. At 2:10 you say that the ball “actually” travels farther than it appears to the passenger. I would say that this is from the point of view of the person not in the car. Furthermore, there is no absolute “actual” distance that the ball travels…only distances relative to each observer. At 2:39 you mention that light is different than the ball and this is sort of true. Light is massless (sort of) and all its speed is through the space dimension of spacetime where as the ball has part of its speed through spacetime in both the space and time dimensions. At 3:35 you mention that time is also dilated in the car but I don’t see how you can say that. Maybe you can explain it to me. It seems to me that the car and everything in it are part of the same inertial frame and therefore there would not be any time dilation within the car. How did you mean it?

  • Anonymous

    I’m sorry but I think that you’ll have to ask the authors of the video ;)