query: Why does light travel in a diagonal in the time dilation experiment?
positive_passages.docid: 150352
positive_passages.text: Why light moves sideways?
negative_passages.docid: 8111
negative_passages.text: EPR-type experiments and faster-than-light communication using interference effects as signaling mechanism
negative_passages.docid: 47568
negative_passages.text: Is it experimentally proven that photons travel at speed $c$ in vacuum?
negative_passages.docid: 13817
negative_passages.text: reflection at speed of light when both mirror and viewer is travelling at the speed of light
negative_passages.docid: 134948
negative_passages.text: How coherent light is created for single slit experiment?
negative_passages.docid: 17699
negative_passages.text: The numlock light is reversed
negative_passages.docid: 37941
negative_passages.text: Can light travel slower than the maximum?
negative_passages.docid: 142061
negative_passages.text: Malus Law in Michelson Morley experiment
negative_passages.docid: 15685
negative_passages.text: Does slowing light violate relativity?
negative_passages.docid: 120679
negative_passages.text: Rømer's determination of the speed of light
negative_passages.docid: 2754
negative_passages.text: Why and how is the speed of light in vacuum constant, i.e., independent of reference frame?
negative_passages.docid: 90147
negative_passages.text: Do light experience Doppler shift along and against frame dragging?
negative_passages.docid: 82697
negative_passages.text: Does SR treat time and space symmetrically? Then why does $t$ dilate while $\ell$ contracts?
negative_passages.docid: 38797
negative_passages.text: Why don't waves with different wavelengths interfere with each other in white-light?
negative_passages.docid: 34004
negative_passages.text: Why is time evolution unitary?
negative_passages.docid: 13122
negative_passages.text: Why doesn't the frequency of light change during refraction?
negative_passages.docid: 102963
negative_passages.text: What sort of experiment would directly test time reversal invariance?