query: How is electro-magnetic wave formed without medium?
positive_passages.docid: 14043
positive_passages.text: Why don't electromagnetic waves require a medium?
negative_passages.docid: 86278
negative_passages.text: What is the explanation of the non-existence of magnetic monopoles?
negative_passages.docid: 26638
negative_passages.text: Why do travelling waves continue after amplitude sum = 0?
negative_passages.docid: 55992
negative_passages.text: Why is dipole the simplest source in electrodynamics?
negative_passages.docid: 65813
negative_passages.text: How is the curl of the electric field possible?
negative_passages.docid: 144948
negative_passages.text: Why doesn't an electromagnetic wave violate conservation of energy?
negative_passages.docid: 145635
negative_passages.text: What's the difference between mechanical and electromagnetic waves?
negative_passages.docid: 111964
negative_passages.text: Magnetic field lines vs. Electric field lines
negative_passages.docid: 73414
negative_passages.text: What does the minus sign in Maxwell's third equation imply?
negative_passages.docid: 387
negative_passages.text: How to make these waves effects?
negative_passages.docid: 144711
negative_passages.text: Representation of electromagnetic wave?
negative_passages.docid: 98389
negative_passages.text: Electromagnetic waves in vacuum
negative_passages.docid: 89355
negative_passages.text: Why does Earth behave like Natural Bar Magnet?
negative_passages.docid: 12924
negative_passages.text: How to derive Maxwell's equations from the electromagnetic Lagrangian?
negative_passages.docid: 152940
negative_passages.text: There is no such thing as magnetism?
negative_passages.docid: 136949
negative_passages.text: Can a black hole be formed by electromagnetic radiation?
negative_passages.docid: 155927
negative_passages.text: Force felt by a moving charge due to its own magnetic field?