query: How can we assume that reaching the speed of light slows down time?
positive_passages.docid: 42258
positive_passages.text: Is time dilation an illusion?
negative_passages.docid: 67661
negative_passages.text: Is there an observable of time?
negative_passages.docid: 47568
negative_passages.text: Is it experimentally proven that photons travel at speed $c$ in vacuum?
negative_passages.docid: 420
negative_passages.text: Does the pilot of a rocket ship experience an asymptotic approach to the speed of light?
negative_passages.docid: 120679
negative_passages.text: Rømer's determination of the speed of light
negative_passages.docid: 31825
negative_passages.text: Why are objects at rest in motion through spacetime at the speed of light?
negative_passages.docid: 115987
negative_passages.text: How can time be relative?
negative_passages.docid: 45953
negative_passages.text: How can I explain the scientific basis of the constant speed of light to a $c$-decay proponent?
negative_passages.docid: 67127
negative_passages.text: Does the speed of light vary in non-inertial frames?
negative_passages.docid: 132106
negative_passages.text: Why does the speed of light $c$ have the value it does?
negative_passages.docid: 103827
negative_passages.text: Does magnetic propagation follow the speed of light?
negative_passages.docid: 26363
negative_passages.text: How does faster than light travel violate causality?
negative_passages.docid: 116728
negative_passages.text: Why does speed of light have to be constant?
negative_passages.docid: 81663
negative_passages.text: Why does gravity travel at the speed of light?
negative_passages.docid: 37941
negative_passages.text: Can light travel slower than the maximum?
negative_passages.docid: 45888
negative_passages.text: Minkowski metric -- why does it follow from the constancy of the speed of light?
negative_passages.docid: 27593
negative_passages.text: Why is travelling around the speed of light a problem?