query: Does time dilation mean that faster than light travel is backwards time travel?
positive_passages.docid: 26363
positive_passages.text: How does faster than light travel violate causality?
negative_passages.docid: 22402
negative_passages.text: If I am travelling on a car at around 60 km/h, and I shine a light, does that mean that the light is travelling faster than the speed of light?
negative_passages.docid: 13757
negative_passages.text: Is there a device that could measure the speed of time?
negative_passages.docid: 4645
negative_passages.text: What is time dilation really?
negative_passages.docid: 53455
negative_passages.text: Relativistic speed/energy relation. Is this correct?
negative_passages.docid: 95295
negative_passages.text: Is the Universe Past-Eternal?
negative_passages.docid: 48497
negative_passages.text: Doesn't entropy increase backwards in time, too?
negative_passages.docid: 820
negative_passages.text: Photons are faster than the speed of light because they travel in transversal waves?
negative_passages.docid: 51026
negative_passages.text: Time dilation all messed up!
negative_passages.docid: 7618
negative_passages.text: What is the speed of light relative to?
negative_passages.docid: 141546
negative_passages.text: Time and distance in a photon's frame of reference
negative_passages.docid: 153901
negative_passages.text: How does time travel take into account the rotation/revolution of the Earth?
negative_passages.docid: 139062
negative_passages.text: Why does photon have to travel in sideways to hit the light clock?
negative_passages.docid: 70852
negative_passages.text: How exactly does time slow down near a black hole?
negative_passages.docid: 126447
negative_passages.text: How does velocity cause time dilation?
negative_passages.docid: 19163
negative_passages.text: Why does the amount of energy transferred depend on distance rather than time?
negative_passages.docid: 103756
negative_passages.text: Does Earth experience any significant, measurable time dilation at perihelion?