EM waves are defined as a propagating disturbance of the EM field. But aren't the waves simply a mathematical concept, i.e., analogous to the oscillating (increasing and decreasing) strength of the field as opposed to actually consisting of a physical thing moving up an down?
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At room temperature, play-dough is solid(ish). But if you make a thin strip it cannot just stand up on it's own, so is it still solid? O...
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I have an hydrogenic atom, knowing that its ground-state wavefunction has the standard form ψ=Ae−βrwith $A = \frac{\bet...
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Sometimes I am born in silence, Other times, no. I am unseen, But I make my presence known. In time, I fade without a trace. I harm no one, ...
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The gravitation formula says F=Gm1m2r2,so if the mass of a bob increases then the torque on it should also increase...
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I want to know what happens to the space a black hole crosses over as our galaxy travels through space.
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This image from NASA illustrates drag coefficients for several shapes: It is generally accepted that some variation of the teardrop/airfoil...
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Small vessels generally lean into a turn, whereas big vessels lean out. Why do ships lean to the outside, but boats lean to the inside of a ...
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