query: Impulse travelling faster than light
positive_passages.docid: 146489
positive_passages.text: What does Lijun Wang's experiment about supraluminal speed of light in a medium mean?
negative_passages.docid: 8077
negative_passages.text: Photons in expanding space: how is energy conserved?
negative_passages.docid: 37421
negative_passages.text: Can a shadow move faster than the speed of light?
negative_passages.docid: 10781
negative_passages.text: Accelerating particles to speeds infinitesimally close to the speed of light?
negative_passages.docid: 54020
negative_passages.text: Does a moving object curve space-time as its velocity increases?
negative_passages.docid: 2331
negative_passages.text: How fast does gravity propagate?
negative_passages.docid: 33110
negative_passages.text: The origin of the value of speed of light in vacuum
negative_passages.docid: 96657
negative_passages.text: The speed of light as it approaches a massive body
negative_passages.docid: 130813
negative_passages.text: Erik Lentz's faster-than-light soliton
negative_passages.docid: 37941
negative_passages.text: Can light travel slower than the maximum?
negative_passages.docid: 57667
negative_passages.text: Escape velocity from Earth
negative_passages.docid: 81663
negative_passages.text: Why does gravity travel at the speed of light?
negative_passages.docid: 86328
negative_passages.text: What is the relative speed of two near-light speed particles headed towards each other?
negative_passages.docid: 139098
negative_passages.text: Can the Flash run faster than light?
negative_passages.docid: 25121
negative_passages.text: Is it really possible to break the speed of light by flicking your wrist with a laser pointer?
negative_passages.docid: 27593
negative_passages.text: Why is travelling around the speed of light a problem?
negative_passages.docid: 8887
negative_passages.text: Superluminal neutrinos