What Does the Cover of Slice of Pie's Album Reveal About Relativity?

  • Thread starter Thread starter MathematicalPhysicist
  • Start date Start date
MathematicalPhysicist
Science Advisor
Gold Member
Messages
4,662
Reaction score
372
can someone explain to me what does the picture in the website below describe? (it has to do with something in relativity because there is the picture of einstein in it):
http://www.ts.skwerm.com/mojo/sliceofpi/

btw the picture is the cover of slice of pie's album.
 
Last edited by a moderator:
Physics news on Phys.org
I think it is more likely dealing with the photo-electric effect, or something dealing with EM fields in matter. The vector diagram looks like it is representing displacement field (D), magnetic field(H), and the Poynting vector. The latter is usually represented by an "S" nowadays, but maybe in 1905 it was represented by a capital Pi.

I can't see the details of the part on the left.

Njorl
 
and on the right the elipses what are they represent?
 
I also can't tell my left from my right
 

Thread 'I don't see how a black hole's event horizon can be crossed'

OK, so this has bugged me for a while about the equivalence principle and the black hole information paradox. If black holes "evaporate" via Hawking radiation, then they cannot exist forever. So, from my external perspective, watching the person fall in, they slow down, freeze, and redshift to "nothing," but never cross the event horizon. Does the equivalence principle say my perspective is valid? If it does, is it possible that that person really never crossed the event horizon? The...
View full post »

Thread 'Question about Parallel Transport'

In this video I can see a person walking around lines of curvature on a sphere with an arrow strapped to his waist. His task is to keep the arrow pointed in the same direction How does he do this ? Does he use a reference point like the stars? (that only move very slowly) If that is how he keeps the arrow pointing in the same direction, is that equivalent to saying that he orients the arrow wrt the 3d space that the sphere is embedded in? So ,although one refers to intrinsic curvature...
View full post »

Thread 'Synchronizing clocks in an inertial frame if light is anisotropic'

ASSUMPTIONS 1. Two identical clocks A and B in the same inertial frame are stationary relative to each other a fixed distance L apart. Time passes at the same rate for both. 2. Both clocks are able to send/receive light signals and to write/read the send/receive times into signals. 3. The speed of light is anisotropic. METHOD 1. At time t[A1] and time t[B1], clock A sends a light signal to clock B. The clock B time is unknown to A. 2. Clock B receives the signal from A at time t[B2] and...
View full post »

Similar threads

I "Exploring Time Perception Across Different Regions of Space"
Replies
20
Views
2K
B Theories about light and time near a black hole
Replies
20
Views
2K
I Does the past of an observer still actually exist in their "now"?
2
Replies
58
Views
5K
A Understanding killing vectors and transformations of metric
Replies
45
Views
5K
B How does Einstein's equation work? Why do we need to square c?
Replies
18
Views
1K
I Einstein's Derivation of Elapsed Time for Remote Comoving Object
Replies
1
Views
2K
B Relativity and Biological Aging: How Time Dilation Slows Cell Activity
Replies
14
Views
1K
I How does GR deal with pointlike objects with mass?
Replies
5
Views
282
Time dilatation and 'now slices'
Replies
3
Views
10K
I Are Space and Time Just an Illusion in General Relativity?
Replies
6
Views
3K

Hot Threads

Recent Insights

Back
Top