Discover the AEther Bunny: Understanding Lorentz Relativity and Twin Aging

  • Thread starter Thread starter RandallB
  • Start date Start date
  • Tags Tags
    Relativity
RandallB
Messages
1,550
Reaction score
0
If you have a rabbit the accepts Lorentz transformations but NOT SR or GR nor how the Twins age, but only Lorentz Relativity. What have you got.
IN WHITE: It’s the AEther Bunny! :smile:
 
Physics news on Phys.org
Badam'che!
 


Well, if you have a rabbit that understands Lorentz transformations but not Special or General Relativity, and only understands Lorentz Relativity, then you have a very unique and specific bunny! The AEther Bunny, as it’s called, is likely very knowledgeable about the effects of motion on time and space, but may not fully understand the concepts of time dilation and gravitational time dilation. However, it’s still an impressive feat for a bunny to grasp such complex mathematical concepts. Maybe we should start teaching physics to rabbits! :wink:
 

Thread 'Describing the Big Bang'

I started reading a National Geographic article related to the Big Bang. It starts these statements: Gazing up at the stars at night, it’s easy to imagine that space goes on forever. But cosmologists know that the universe actually has limits. First, their best models indicate that space and time had a beginning, a subatomic point called a singularity. This point of intense heat and density rapidly ballooned outward. My first reaction was that this is a layman's approximation to...
View full post »
Thread 'Dirac's integral for the energy-momentum of the gravitational field'

Thread 'Dirac's integral for the energy-momentum of the gravitational field'

See Dirac's brief treatment of the energy-momentum pseudo-tensor in the attached picture. Dirac is presumably integrating eq. (31.2) over the 4D "hypercylinder" defined by ##T_1 \le x^0 \le T_2## and ##\mathbf{|x|} \le R##, where ##R## is sufficiently large to include all the matter-energy fields in the system. Then \begin{align} 0 &= \int_V \left[ ({t_\mu}^\nu + T_\mu^\nu)\sqrt{-g}\, \right]_{,\nu} d^4 x = \int_{\partial V} ({t_\mu}^\nu + T_\mu^\nu)\sqrt{-g} \, dS_\nu \nonumber\\ &= \left(...
View full post »

Thread 'A sufficient condition for integrability of equation ##\nabla g=0##'

In Philippe G. Ciarlet's book 'An introduction to differential geometry', He gives the integrability conditions of the differential equations like this: $$ \partial_{i} F_{lj}=L^p_{ij} F_{lp},\,\,\,F_{ij}(x_0)=F^0_{ij}. $$ The integrability conditions for the existence of a global solution ##F_{lj}## is: $$ R^i_{jkl}\equiv\partial_k L^i_{jl}-\partial_l L^i_{jk}+L^h_{jl} L^i_{hk}-L^h_{jk} L^i_{hl}=0 $$ Then from the equation: $$\nabla_b e_a= \Gamma^c_{ab} e_c$$ Using cartesian basis ## e_I...
View full post »

Similar threads

I Understanding Spacetime simultaneity in twin paradox scenarios
Replies
35
Views
3K
B A scenario to help understand the twin paradox in SR
Replies
20
Views
3K
I Relative Simultaneity: Comparing 2 Incompatible Calculation Methods
Replies
12
Views
1K
B Why the stay-at-home twin is not considered to be accelerating?
2
Replies
85
Views
6K
I Twin paradox for (accelerated) dummies?
Replies
36
Views
5K
I Questions about the general principle of relativity
Replies
5
Views
2K
B How are 'fringe shifts' in the Michelson-Morley experiment calculated?
Replies
9
Views
3K
B Is the relativity of simultaneity more than just a fudge factor?
Replies
21
Views
2K
I Reference systems and apparent counter-explanations on Twin Paradox
Replies
5
Views
2K
I Coord Transform in de Sitter Space: Phys Significance &Linearity?
Replies
5
Views
2K

Hot Threads

Recent Insights

Back
Top