Schrödinger's equation

[ shrōdĭng-ərz, shrā- ]

An equation describing the state and evolution of a quantum mechanical system, given boundary conditions. Different solutions to the equation are associated with different wave functions, usually associated with different energy levels. This equation is fundamental to the study of wave mechanics. See also wave function wave mechanics.

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IS YOUR DESERT PLANT KNOWLEDGE SUCCULENT OR DRIED UP?

Cactus aficionados, don't get left in the dust with this quiz on desert plants. Find out if you have the knowledge to survive this prickly foray into the desert!
Question 1 of 7
This tall, horizontally branched cactus is probably the most recognizable cactus in Arizona. What is it called?
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