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a difficult technical problem that limits the usability of renewable sources of energy to replace traditional fossil fuel sources
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propagator gives the probability amplitude for a particle to travel from one place to another in a given time, or to travel with a certain energy and momentum.
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a vast field of research at the interfaces between physics, chemistry and biology. It consists in the study of the physical properties of composite objects described by a characteristic…
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The Green-Schwarz formalism, or the superspace-formalism, are formalisms for supersymmetry with explicit spacetime supersymmetry.
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the problem of finding the path between two points such that the transit time under specified conditions is minimized.
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The average length that a molecule will travel in a fluid before colliding with another molecule.
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an electrical appliance using the principles of a motor.
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a hypothetical form of radioactive decay in which the proton decays into lighter subatomic particles. There is currently no experimental evidence that proton decay.