composite particle made up of an odd number of elementary particles.
A (multi-user) blog is the hello world of the web, so creating one of those is the best way to quickly evaluate web technology, i.e. time to Hello World.
Some new frameworks like FeathersJS are making a chat app instead, as that highlights the push notifications a bit better.
Front-end only, so infinitely simpler, and generally much less useful than gothinkster/realworld.
Force carrier of quantum chromodynamics, like the photon is the force carrier of quantum electrodynamics.
One big difference is that it carrier itself color charge.
Can be thought as being produced from gluon-gluon lines of the Feynman diagrams of quantum chromodynamics. This is in contrast to quantum electrodynamics, in which there are no photon-photon vertices, because the photon does not have charge unlike gluons.
This phenomena makes the strong force be very very different from electromagnetism.
As quoted on Ghost Dog: The Way of the Samurai (1999) at 00:23:01:TODO find exact page/section.
Among the maxims on Lord Naoshige's wall there was this one: "Matters of great concern should be treated lightly." Master Ittei commented, "Matters of small concern should be treated seriously."
TODO what is the point of them? Why not just sum over every index that appears twice, regardless of where it is, as mentioned at: www.maths.cam.ac.uk/postgrad/part-iii/files/misc/index-notation.pdf.
Vectors with the index on top such as are the "regular vectors", they are called covariant vectors.
Those in indices on bottom are called contravariant vectors.
It is possible to change between them by Raising and lowering indices.
The values are different only when the metric signature matrix is different from the identity matrix.
Rifleman's Creed from Full Metal Jacket
. Source. This is possibly where Ciro Santilli first came about this. But not sure, it was too long ago during good old University of São Paulo days.Appears in the Schrödinger equation.
Equals the quantum of angular momentum in the Bohr model.
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