contraction polygon - meaning and definition. What is contraction polygon
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What (who) is contraction polygon - definition

THE CONTRACTION OF LENGTH IN THE DIRECTION OF PROPAGATION
Lorentz–FitzGerald contraction hypothesis; Lorentz contraction; Fitzgerald–Lorentz contraction; FitzGerald–Lorentz Contraction; FitzGerald Lorentz Contraction; Lorentz-Fitzgerald Contraction; Lorentz Contraction; Lorentz-Fitzgerald contraction hypothesis; Lorentz-Fitzgerald contraction; Fitzgerald contraction; FitzGerald-Lorentz contraction; Lorentz-FitzGerald Contraction; Space contraction; Relativistic length contraction; Lorentz-FitzGerald contraction hypothesis; Fitzgerald-Lorentz contraction; FitzGerald-Lorentz Contraction; Lorenz contraction; Lorentz-FitzGerald contraction; FitzGerald contraction; Lorentz-FitzGeral contraction; Lorentz-FirtGerald contraction; Lorentz–Fitzgerald contraction; Lorentz–FitzGerald contraction; FitzGerald–Lorentz contraction; Fitz-Gerald contraction; Lorentz-Fitzgerald; Lorentz contraction hypothesis; Relativistic foreshortening
  • Minkowski diagram of Einstein's 1911 [[thought experiment]] on length contraction. Two rods of rest length <math>A' B' = A'' B'' = L_0</math> are moving with 0.6c in opposite directions, resulting in <math>A^\ast B^\ast <L_0</math>.
  • Formula on a wall in Leiden, Netherlands. Lorentz was chair of theoretical physics at the [[University of Leiden]] 1877-1910
  • ''Length contraction'': Three blue rods are at rest in S, and three red rods in S'. At the instant when the left ends of A and D attain the same position on the axis of x, the lengths of the rods shall be compared. In S the simultaneous positions of the left side of A and the right side of C are more distant than those of D and F. While in S' the simultaneous positions of the left side of D and the right side of F are more distant than those of A and C.
  • In special relativity, the observer measures events against an infinite latticework of synchronized clocks.
  • Wheels which travel at 9/10 the speed of light.  The speed of the top of a wheel is 0.994 c while the speed of the bottom is always zero. This is why the top is contracted relative to the bottom.
  • Cuboids in Euclidean and Minkowski spacetime

Midpoint polygon         
  • The [[Varignon parallelogram]]
POLYGON WHOSE VERTICES ARE THE MIDPOINTS OF THE EDGES OF ANOTHER POLYGON
Midpoint Polygon; Kasner polygon; Mid-point polygon; Kasner descendant; Kasner descendent
In geometry, the midpoint polygon of a polygon is the polygon whose vertices are the midpoints of the edges of . It is sometimes called the Kasner polygon after Edward Kasner, who termed it the inscribed polygon "for brevity".
Skew polygon         
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  • A uniform ''n''-gonal [[antiprism]] has a 2''n''-sided regular skew polygon defined along its side edges.
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POLYGON WHOSE VERTICES DO NOT LIE IN A PLANE
Regular skew polygon; Space polygon; Saddle polygon; Regular skew pentagon; Regular skew decagon; Regular skew dodecagon
In geometry, a skew polygon is a polygon whose vertices are not all coplanar. Skew polygons must have at least four vertices.
Length contraction         
Length contraction is the phenomenon that a moving object's length is measured to be shorter than its proper length, which is the length as measured in the object's own rest frame. Extract of page 106 It is also known as Lorentz contraction or Lorentz–FitzGerald contraction (after Hendrik Lorentz and George Francis FitzGerald) and is usually only noticeable at a substantial fraction of the speed of light.

Wikipedia

Length contraction

Length contraction is the phenomenon that a moving object's length is measured to be shorter than its proper length, which is the length as measured in the object's own rest frame. It is also known as Lorentz contraction or Lorentz–FitzGerald contraction (after Hendrik Lorentz and George Francis FitzGerald) and is usually only noticeable at a substantial fraction of the speed of light. Length contraction is only in the direction in which the body is travelling. For standard objects, this effect is negligible at everyday speeds, and can be ignored for all regular purposes, only becoming significant as the object approaches the speed of light relative to the observer.