contraction des longueurs dans la direction du mouvement (fr)
Phänomen der speziellen Relativitätstheorie. Dabei ist gemessene Abstand zwischen zwei Punkten im Raum ist abhängig von der relativen Bewegung von messendem und gemessenem System. (de)
運動する物体の長さが、固有長よりも短く測定される現象 (ja)
Fenómeno causado por efectos relativistas (es)
Påstand i den specielle relativitetsteori (da)
fenomen causat per efectes relativistes (ca)
krimp van een object op hoge snelheid (nl)
opis skrócenia ciała w ruchu (pl)
the contraction of length in the direction of propagation (en)
a contração do comprimento na direção da propagação (pt)
The author unjustifiably stated a difference of Lorentz's view and that of mine concerning the physical facts. The question as to whether length contraction really exists or not is misleading. It doesn't "really" exist, in so far as it doesn't exist for a comoving observer; though it "really" exists, i.e. in such a way that it could be demonstrated in principle by physical means by a non-comoving observer. (en)