Gain an Awesome Perspective on the Scale of Things

WarrickF
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Physics news on Phys.org
YA!
Professor Brian Greene did a wonderful job with that NOVA special.

Who knows maybe some day you might meet him...

Just in case study up...

Welcome to PF
 


Thank you for sharing this link! It's incredible to see just how vast and diverse our universe is, and this website definitely puts it into perspective. From the smallest atoms to the largest stars, it's mind-blowing to think about the scale of things and how everything is connected. This is a great reminder to always stay curious and open-minded about the world around us. Thanks again for sharing and expanding our perspective!
 

Thread 'Quantum Entanglement is a Kinematic Fact, not a Dynamical Effect'

Insights auto threads is broken atm, so I'm manually creating these for new Insight articles. Towards the end of the first lecture for the Qiskit Global Summer School 2025, Foundations of Quantum Mechanics, Olivia Lanes (Global Lead, Content and Education IBM) stated... Source: https://www.physicsforums.com/insights/quantum-entanglement-is-a-kinematic-fact-not-a-dynamical-effect/ by @RUTA
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Thread 'Quantum behaviour of an electron around a positively charged sphere'

If we release an electron around a positively charged sphere, the initial state of electron is a linear combination of Hydrogen-like states. According to quantum mechanics, evolution of time would not change this initial state because the potential is time independent. However, classically we expect the electron to collide with the sphere. So, it seems that the quantum and classics predict different behaviours!
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Thread 'Does a qubit break interference in the double slit experiment?'

According to recent podcast between Jacob Barandes and Sean Carroll, Barandes claims that putting a sensitive qubit near one of the slits of a double slit interference experiment is sufficient to break the interference pattern. Here are his words from the official transcript: Is that true? Caveats I see: The qubit is a quantum object, so if the particle was in a superposition of up and down, the qubit can be in a superposition too. Measuring the qubit in an orthogonal direction might...
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