What is quantum physics?

• Quantum mechanics 101: Demystifying tough physics in 4 easy lessons (TEDed)
• Quantum physics for 7 year olds: Dominic Walliman TED talk (YouTube)
• 6 things everyone should know about quantum physics (Forbes)
• What is quantum mechanics good for? (Scientific American)
• What has quantum mechanics ever done for us? (Forbes)
• Quantum mechanics (Wikipedia)
• The map of physics: Dominic Walliman animation (YouTube)
• Classical mechanics vs quantum mechanics (Cambridge University Press)
• Newton's laws of motion, the foundation of classical mechanics, break down at the very small scales addressed by quantum mechanics & at the very high speeds addressed by relativistic mechanics (livescience)
• Kepler's laws of planetary motion...apparently he didn't even have a telescope to figure them out! (HyperPhysics)
• "Kepler’s laws apply not only to gravitational but also to all other inverse-square-law forces &, if due allowance is made for relativistic & quantum effects, to the electromagnetic forces within the atom" (Encyclopaedia Britannica)
• What is black body radiation? "Radiation modes in a hot cavity provide a test for quantum theory" (HyperPhysics)
• Quantum theory timeline (Particle Physics Timeline)
• Max Planck solves the black body radiation problem (Fermilab)
• What is a photon? (Wikipedia)
• The wave-particle duality of light & elementary particles...mental (HyperPhysics)
• Explainer: What is wave-particle duality? (The Conversation)
• Richard Feynman on understanding quantum mechanics (YouTube)
• Neils Bohr: "Anyone who is not shocked by quantum theory has not understood it" (Wikiquote)
• Richard Feynman: "If you think you understand quantum mechanics, you don't understand quantum mechanics" (Wikiquote)
• The observer effect: When you look at something, you change it (Wikipedia)
• Schrödinger's cat explained (YouTube)
• What superposition? (Phys.org)
• Quantum decoherence (Wikipedia)
• What is decoherence? (Drexel University)
• What is the multiverse? (Wikipedia)
• The theory of parallel universes is not just maths - it is science that can be tested (The Conversation)
• What the hell is spin? (io9)
• Do quantum effects make our choices our own? (Storify)
• 'Quarantine' by Greg Egan was the book Johnny was thinking about, not 'Diaspora' (which is also excellent)
• The basics of MRI: Electron spin is involved (Chester F. Carlson Center for Imaging Science)
• Debating that if we didn't understand quantum mechanics we wouldn't have computers (Physics Stack Exchange)
• How does a computer chip work? (SciTech, CERN)
• Making silicon chips (Intel)
• What is a transistor? (Wikipedia)
• What is quantum tunnelling? (Wikipedia)
• The tunnelling transistor (IEEE Spectrum)
• The 5 nm node in transistors was once thought to be the end of Moore's law - "transistors smaller than 7 nm will experience quantum tunnelling through their logic gates" (Wikipedia)
• What is Moore's law? (Wikipedia)
• IBM beat Intel & currently have the world's smallest transistor at 7 nm (The Verge)
• The best thing about IBM’s super chip? It’s not from Intel (Wired)
• The world's smallest transistor is 1nm long, physics be damned (The Verge)
• What is Heisenberg's uncertainty principle? (The Guardian)
• The uncertainty principle (HyperPhysics)
• Walter White from Breaking Bad named himself after Heisenberg (Wikipedia)
• The one-electron universe theory (Wikipedia)
• Quantum quackery (The Committee for Skeptical Enquiry)
• The 5 most misguided uses of the word 'quantum' in ads (Cracked)
• The Quantum Leap TV show (IMDb)
• "The laser would never have been developed without a profound understanding of an area of fundamental physics - quantum theory" (Institute of Physics)
• The Pauli exclusion principle (HyperPhysics)
• Entanglement made simple (Quanta Magazine)
• What is quantum cryptography? (Wikipedia)
• Google moves closer to a universal quantum computer (Scientific American)
• Where are you from? Send us a postcard! Strange Attractor, c/ PO Box 9, Fitzroy, VIC 3065, Australia

Corrections

• Re: the orbit of Mercury puzzle...Johnny was thinking about proof of relativity not quantum stuff (io9)
• There is debate about whether the Pauli exclusion principle implies an effect on all particles in the universe at once (Sean Carroll, Cal Tech physicist)