query: Do we know why speed of the light in vacuum is exactly 299792458 $m/s$?
positive_passages.docid: 33110
positive_passages.text: The origin of the value of speed of light in vacuum
negative_passages.docid: 98389
negative_passages.text: Electromagnetic waves in vacuum
negative_passages.docid: 16486
negative_passages.text: What is the speed of the Force?
negative_passages.docid: 127383
negative_passages.text: Speed of light in general relativity
negative_passages.docid: 3952
negative_passages.text: Why does the speed of the Electromagnetic wave in the material depend on the frequency of the wave where as they are constant in vacuum (freespace)?
negative_passages.docid: 37941
negative_passages.text: Can light travel slower than the maximum?
negative_passages.docid: 7332
negative_passages.text: Is the double-slit experiment typically carried out in a vacuum?
negative_passages.docid: 10490
negative_passages.text: Wavelength of light too long to measure electron position in double-slit experiment?
negative_passages.docid: 22118
negative_passages.text: If all motion is relative, how does light have a finite speed?
negative_passages.docid: 142906
negative_passages.text: How can a particle in a medium ever travel faster than light?
negative_passages.docid: 100599
negative_passages.text: What is the trajectory of a photon moving through a vacuum?
negative_passages.docid: 103827
negative_passages.text: Does magnetic propagation follow the speed of light?
negative_passages.docid: 62039
negative_passages.text: What does a sphere moving close to the speed of light look like?
negative_passages.docid: 96657
negative_passages.text: The speed of light as it approaches a massive body
negative_passages.docid: 155345
negative_passages.text: Can we use curved spacetime to measure the one-way speed of light?
negative_passages.docid: 69958
negative_passages.text: A short story about how silly human physicists are to assume lightspeed is a universal constant
negative_passages.docid: 8367
negative_passages.text: What do physicists mean when they say "speed of light"?