Tag Archives: quantum information
Dispelling Maxwell’s demon
Maxwell’s demon is one of the most famous thought experiments in the history of physics, a puzzle first posed in the 1860s that continues to shape scientific debates to this day. I’ve struggled to make sense of it for years. … Continue reading
Posted in Analysis, Scicomm, Science
Tagged arrow of time, Charles Bennett, decoherence, Dennis Gabor, entropy, information theory, James Clerk Maxwell, Leo Szilard, Léon Brillouin, Maxwell's demon, no-cloning theorem, quantum entanglement, quantum information, Quantum mechanics, Rolf Landauer, Schrödinger's cat, second law of thermodynamics, unitarity, wavefunction collapse
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What on earth is a wavefunction?
If you drop a pebble into a pond, ripples spread outward in gentle circles. We all know this sight, and it feels natural to call them waves. Now imagine being told that everything — from an electron to an atom … Continue reading
Posted in Scicomm
Tagged classical mechanics, coherence, decoherence, delocalisation, Newton's second law, quantum information, Quantum mechanics, quantum superposition, Schrödinger equation, uncertainty principle, wavefunction, wavefunction collapse, zero-point motion
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