Communion Of Dreams


“He dreams of stopping the wave.”

“I think he actually plans that ahead.”

* * * * * * *

Interesting news item:

Study broadens understanding of quantum mechanics

(Phys.org)—Former and current USC Dornsife physicists have led a study that represents the first, quantitative account of the universal features of disordered bosons—or quantum particles—in magnetic materials.

The study published in the Sept. 20 edition of Nature magazine broadens our understanding of quantum mechanics and challenges the accepted predication in quantum theory.

“It’s remarkable to find such universality in disordered quantum systems,” said co-author Stephan Haas, professor of physics and astronomy and vice dean for research in USC Dornsife. “And it’s even more amazing that we may have finally identified a real-life example for one of the most elusive quantum glasses in nature.”

Yeah, OK, so? What’s that actually mean?

Potentially, a lot. Quantum particles are thought of as wave-forms, operating in a range of space/states (this is known as quantum superposition). This characterization leads to such particles being ‘trapped’ — unable to escape a given space/state due to interference — what is termed ‘localization.’ Having a way to control localization is the key to much finer control over quantum effects, and helps to turn it from a theoretical physical problem almost to an engineering one.  From the above article:

Quantum magnets and other occurrences in quantum mechanics could set the stage for the next big breakthroughs in computing, alternative energy and transportation technologies such as magnetic levitating trains.

* * * * * * * *

“He dreams of stopping the wave.”

Who? Gorodish:

Gods, I love that movie.

* * * * * * *

“Alwyn, wait up, bud,” said my wife, as our dog trotted past us on our morning walk.

He went a couple more paces, but stopped before he got to the entrance of a care facility. That entrance comes off a busy street, and we only want him to cross it with us so as to keep him safe.

“I think he actually plans that ahead,” I said. “He trots ahead here so that he can sniff that bush for messages.”

Jim Downey

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