query: How can a particle in a medium ever travel faster than light?
positive_passages.docid: 16748
positive_passages.text: What happens if light/particles exceeded the speed of light for a particular medium?
negative_passages.docid: 87156
negative_passages.text: How is voltage always able to increase, if electrons move at the speed of light?
negative_passages.docid: 40150
negative_passages.text: Will acceleration rate of expansion of space become faster than speed of light?
negative_passages.docid: 12597
negative_passages.text: Does the speed of medium affect the path of light?
negative_passages.docid: 33110
negative_passages.text: The origin of the value of speed of light in vacuum
negative_passages.docid: 85582
negative_passages.text: Why aren't all photons virtual particles even in the "vacuum" of empty space?
negative_passages.docid: 2154
negative_passages.text: Why doesn't gravity speed up light?
negative_passages.docid: 67327
negative_passages.text: Does this count as moving faster than light?
negative_passages.docid: 62039
negative_passages.text: What does a sphere moving close to the speed of light look like?
negative_passages.docid: 38865
negative_passages.text: How can a Photon have a "frequency"?
negative_passages.docid: 21144
negative_passages.text: Can gravity accelerate an object past the speed of light?
negative_passages.docid: 56031
negative_passages.text: Quantum entanglement faster than speed of light?
negative_passages.docid: 47988
negative_passages.text: Reflection At Speed of Light
negative_passages.docid: 56005
negative_passages.text: Speed of light travel
negative_passages.docid: 98902
negative_passages.text: How can particles be emitted from particles?
negative_passages.docid: 81663
negative_passages.text: Why does gravity travel at the speed of light?
negative_passages.docid: 28488
negative_passages.text: I am confused about the idea that the speed of light is independent of the speed of the source of light