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A spacetime diagram is a graphical illustration of locations in space at various times, especially in the special theory of relativity.Spacetime diagrams can show the geometry underlying phenomena like time dilation and length contraction without mathematical equations.
A spacetime diagram is typically drawn with only a single space and a single time coordinate. Fig. 2-1 presents a spacetime diagram illustrating the world lines (i.e. paths in spacetime) of two photons, A and B, originating from the same event and going in opposite directions. In addition, C illustrates the world line of a slower-than-light ...
GeoGebra is not a drawing tool, [3] [4] and therefore suffers from some caveats that people accustomed to programs such as Inkscape or Illustrator might not be expecting. [5] However, if your requirements with regard to pixel-perfect results are not too stringent, then you can quickly and easily create graphs and diagrams in GeoGebra.
English: In Newton's theory, time is universal, not the velocity of light. The Galilean transformations are t' = t and x' =x - vt. Galilean addition of velocities is illustrated by the following thought experiment: The red arrow illustrates a high speed train traveling at 0.4 c.
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English: Spacetime diagram showing that moving faster than light implies time travel in the context of special relativity. A spaceship departs from Earth from A to C slower than light. A spaceship departs from Earth from A to C slower than light.
Spacetime algebra is a type of geometric algebra that is closely related to Minkowski space, and is equivalent to other formalisms of special relativity. It uses mathematical objects such as bivectors to replace tensors in traditional formalisms of Minkowski spacetime, leading to much simpler equations than in matrix mechanics or vector calculus.