LND topic: quantum-mechanics page 1

quantum mechanics

Quantum Mechanics: Bohr's Idea Wins Again

December 31, 2025

A recent experiment in China has shown that Niels Bohr was right in his debate with Albert Einstein about quantum mechanics. The experiment was based on a thought experiment proposed by Einstein almost a century ago. Bohr argued that certain properties of particles cannot be measured at the same tim

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Exploring the Cosmic Stage: Brane-World Gravity Unveiled

November 14, 2025

In the vast theater of the cosmos, scientists have long been fascinated by the idea of a brane-world universe. This concept suggests that our familiar 4-dimensional world is like a stage, embedded within a larger 5-dimensional space known as the bulk. To make sense of this complex scenario, research

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The Hidden Dance of Quantum Particles

June 6, 2025

Quantum particles have a peculiar behavior. They can be in multiple places all at once. This is due to a property called the wave function. The wave function is like a map that shows where a particle is most likely to be found. When someone measures the particle's position, the wave function collaps

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Quantum Leaps in Medicine: The Hidden Power of Old Science

May 28, 2025

Quantum mechanics, a field that deals with the tiny world of atoms and particles, has been around for a century. It has given us some big ideas. The Schrödinger equation, Heisenberg's uncertainty principles, and the Boltzmann constant are not just fancy names. They have changed how we look at the

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The Power of Quantum Mechanics in Understanding Retinal Switches

April 28, 2025

Retinals are key players in the world of biology. They are responsible for various functions in living organisms. These functions are initiated by light exciting a specific part of the retinal molecule. This part is known as the protonated Schiff base chromophore. The chromophore can exist in differ

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The Hidden Dance of Quantum Particles

April 27, 2025

The de Broglie-Bohm theory, often called pilot-wave theory, is a fascinating way to look at quantum mechanics. This theory is a hundred years old. It suggests that particles have definite paths, unlike what is commonly believed in quantum mechanics. The theory has been a subject of debate. Some peo

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Quantum Worlds: When Memories Get Muddled

March 4, 2025

Picture this: a universe where every possible outcome of a quantum event happens in its own separate world. This is the idea behind the many-worlds interpretation. In this scenario, when measurements are made, they cause a process called decoherence. This process can sometimes be messy, leading to l

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Does ETH Always Lead to Thermalization?

January 26, 2025

The Eigenstate Thermalization Hypothesis (ETH) is a big topic in the world of physics. One common way to think about ETH suggests it might not always mean that an observable in an isolated quantum system made up of many bodies will thermalize. To get thermalization, you might need to assume a specif

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Unlocking the Secret of Atomic Interactions with a Fresh Force Field

December 25, 2024

Imagine you're looking at a tiny world where atoms dance and interact in complex ways. These noncovalent interactions are crucial in many physical, chemical, and biological processes. While quantum mechanics (QM) can describe these interactions accurately, it's not practical for large systems or lon

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Seeing the Invisible: Scientists Model a Photon's Shape

November 20, 2024

Imagine trying to see the face of a single flash of light. That's what scientists from the University of Birmingham in the UK have practically done. They've created a clever computer model to understand how light and matter interact. Light, as we know, acts like both a wave and a particle. Understan