Jazz fusion band Updated +Created
Central processing unit Updated +Created
Lattice gauge theory Updated +Created
Jean Baptiste Perrin Updated +Created
This seems like a cool dude. Besides a hardcore scientist, he also made many important contributions to the French education and research system.
River in South America Updated +Created
Country in South America Updated +Created
csvgrep from csvkit Updated +Created
Country in South Asia Updated +Created
Job scheduler Updated +Created
John the Baptist Updated +Created
A pre-Jesus-like figure, likely possibly a mentor or competitor with Jesus.
He would have deserved a scene in Jesus Christ Superstar (1973).
Jitsi Updated +Created
As of 2020: end-to-end encryption optional and turned off as default, and marked as experimental...
Joint European Torus Updated +Created
Video 1.
Inside JET: The world's biggest nuclear fusion experiment by Wired UK (2020)
Source.
Game of chance Updated +Created
The definition is not very precise, as in many games with random elements there is a mixture of both skill and luck.
So we just use the precise Non-deterministic game term instead for any game that has any random element beyond the control of the players.
Golden Triangle (Southeast Asia) Updated +Created
Journal by Elsevier Updated +Created
Josephson phase Updated +Created
A function defined by the second of the Josephson equations plus initial conditions.
It represents an internal state of the junction.
Dan Abramson Updated +Created
Dan, if you ever Google yourself here, please contact Ciro Santilli: Section "How to contact Ciro Santilli" to do something with OurBigBook.com. Cheers.
Position and momentum space Updated +Created
One of the main reasons why physicists are obsessed by this topic is that position and momentum are mapped to the phase space coordinates of Hamiltonian mechanics, which appear in the matrix mechanics formulation of quantum mechanics, which offers insight into the theory, particularly when generalizing to relativistic quantum mechanics.
One way to think is: what is the definition of space space? It is a way to write the wave function such that:
  • the position operator is the multiplication by
  • the momentum operator is the derivative by
And then, what is the definition of momentum space? It is of course a way to write the wave function such that:
  • the momentum operator is the multiplication by
physics.stackexchange.com/questions/39442/intuitive-explanation-of-why-momentum-is-the-fourier-transform-variable-of-posit/39508#39508 gives the best idea intuitive idea: the Fourier transform writes a function as a (continuous) sum of plane waves, and each plane wave has a fixed momentum.

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