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The week's question
In March 2025, in the thread "Re: OT, out", Umm asked the members: "Do you think it is because America is made up of magical soil that makes businesses based in America magically profitable?" This week it is put to everyone again. The button below opens the small thread re-asking it - read what others have said so far, then give your own answer as an ordinary reply.
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Outskirts of Shrewd'm / Science, Technology, Engineering and Mathematics
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Author: onepoorguy ⎊✺🐝  😊 😞
Number: of 314 
Subject: Zeno's paradox
Date: 08/02/24 9:26 PM
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scientificamerican.com - Quantum physics has reopened zenos paradoxes

Solved with calculus (yes, we can outrun tortoises).

For thousands of years, scholars pondered the question of how anything can move in our world. The problem seemed to have been solved—until the development of quantum mechanics

...

According to quantum mechanical theory, quantum objects, such as an electron or a molecule, cannot change or move while they are being observed. They behave like an actor with extreme stage fright who freezes, as it were, under the penetrating gaze of the audience.

...

How can the basic building blocks of our world move and change? What exactly is a measurement? And what does an observation mean for a quantum system?
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