Back
Anonymous
Hey I am on Medial • 4h
Read carefully- 1. The Quantum State (Wavefunction) • At the most basic level, quantum mechanics says every system is described by a wavefunction (a mathematical object that contains all possible states of the system at once). • Unlike classical physics (where an object has a definite position or velocity), the wavefunction represents a superposition of many possibilities. This is where reality gets “layered”: the system exists in many potential states until observed. 2. Measurement and Collapse • In the Copenhagen interpretation, when we measure something, the wavefunction “collapses” to one definite reality (the one we see). • This gives two levels: • Underlying level: many possibilities coexisting in superposition. • Observed level: the definite outcome we see. 3. Many-Worlds Interpretation • Hugh Everett’s Many-Worlds view says the wavefunction never collapses. Instead: • Every possibility is realized, but in different branches of reality. • For example, in Schrödinger’s cat experiment: in one branch the cat is alive, in another it’s dead. Both are equally real, but you only experience one. • This creates multiple levels of reality: the local one you perceive, and a vast branching multiverse where every outcome plays out. 4. Quantum Decoherence (Middle Ground) • Decoherence explains why we don’t see superpositions in daily life. The environment “hides” other possibilities from us, leaving us with a classical-looking world. • So: • Quantum layer = superpositions exist. • Classical layer = what emerges when quantum possibilities interact with a huge environment. 5. Other Interpretations • Pilot Wave / Bohmian Mechanics: reality has two layers — particles with definite positions + a guiding wave. • QBism / Information-based views: quantum states aren’t “real” objects but just encode an observer’s knowledge. Reality here is more subjective. 👉 So when physicists talk about “multiple levels of reality,” they often mean: • The hidden quantum realm of probabilities and superpositions. • The experienced classical realm where one outcome appears. • And possibly, in some interpretations, a multiverse where all outcomes exist simultaneously.
More like this
Recommendations from Medial
Account Deleted
Hey I am on Medial • 8m
🚀 Exciting news in the realm of technology! Google’s quantum chip 'Willow' is set to revolutionize computing capabilities. This breakthrough could redefine our understanding of processing power and unlock unprecedented possibilities. 🌌🔍 Read more
See More
Sweekar Koirala
startups, technology... • 1y
The next big thing after AI: Quantum Computing I recently watched a video “Quantum computing is the next revolution” by Michio Kaku, physicist and professor. The video dives deep into the potential of quantum computing, and the challenges of buildin
See More
The unknown entrepreneur
I'm a Student who is... • 8m
crazy news 2/10 Google Willow is the latest breakthrough in quantum computing from Google, designed to be the fastest quantum chip to date. It features 105 qubits and utilizes innovative error-correction techniques that significantly enhance reliabi
See More
Download the medial app to read full posts, comements and news.