query: "And God said......and there was light." What does these equations mean?
positive_passages.docid: 157683
positive_passages.text: What is the meaning of this "let there be light" joke?
negative_passages.docid: 32532
negative_passages.text: how to model the exponential growth of luminosity when you flick a light on
negative_passages.docid: 13758
negative_passages.text: Physical meaning of Maxwell's equations and origin of EM waves
negative_passages.docid: 59152
negative_passages.text: are there two meaning?
negative_passages.docid: 61077
negative_passages.text: Is every electromagnetic radiation considered "light"?
negative_passages.docid: 19829
negative_passages.text: Is light affected by gravity? Why?
negative_passages.docid: 118634
negative_passages.text: The system of equations
negative_passages.docid: 80886
negative_passages.text: Equation of everything
negative_passages.docid: 73298
negative_passages.text: Explanation of  ...
negative_passages.docid: 77372
negative_passages.text: "Speed" of Gravity and 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
negative_passages.docid: 44178
negative_passages.text: Why is light invisible?
negative_passages.docid: 112108
negative_passages.text: About The Lighting In Arda After The Destruction Of The Two Lamps
negative_passages.docid: 124338
negative_passages.text: What does the solution to a wave equation represent?
negative_passages.docid: 126730
negative_passages.text: What is the mass of Photon or Light Particle?
negative_passages.docid: 150352
negative_passages.text: Why light moves sideways?
negative_passages.docid: 63340
negative_passages.text: What is physically correct lighting all about?