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10 videos · 5 h 37 min
Course · Caltech
John Preskill · 2021
The graduate course from the physicist who coined the terms "quantum supremacy" and "NISQ": density operators, measurement, channels, Bell inequalities, teleportation, circuits, Shor's factoring, Grover's search and quantum simulation. Advanced, and worth every minute.
Lecture · Nobel Prize
Nobel Prize · Alain Aspect · 2022
"From Einstein's doubts to quantum technologies": Alain Aspect on his Orsay experiments of the early 1980s, which tested Bell's inequality with fast-switching polarizers, and on how entanglement went from philosophical puzzle to technological resource.
Lecture · Nobel Prize
Nobel Prize · John F. Clauser · 2022
"Experimental proof that nonlocal quantum entanglement is real": John Clauser on the 1972 Freedman–Clauser experiment at Berkeley, the first experimental test of a Bell inequality, and what it took to build it.
Lecture · Perimeter
Perimeter Institute for Theoretical Physics · Shohini Ghose · 2020
Physicist Shohini Ghose of Wilfrid Laurier University surveys the quantum technologies that grow out of superposition and entanglement, from quantum computers to secure communication. A clear public lecture given at Perimeter Institute in March 2020.
Lecture · MIT
MIT OpenCourseWare · Allan Adams · 2013
A full MIT 8.04 lecture by Allan Adams. The first part previews quantum computing (the no-cloning theorem, met briefly in Part 5 and fully in Chapter 24, and the Deutsch–Jozsa algorithm of Chapter 23); the last part is devoted to the EPR experiment and Bell's inequality, the ideal bridge from this chapter to the next. Best watched after the lesson.
Lecture · IBM Quantum
Qiskit · John Watrous · 2022–25
The lecture from IBM Quantum Understanding Quantum Information & Computation (John Watrous, 2022–25) that goes with Chapter 20. The whole course is in the Lecture Hall.
Course · MIT
MIT OpenCourseWare · Allan Adams · 2013
Allan Adams' celebrated course starts from superposition and the experimental facts, builds the wavefunction, operators and the Schrödinger equation, then tours scattering, hydrogen, identical particles and band structure before closing on entanglement and Bell's theorem. Calculus and a little linear algebra are enough to keep up.
Interview · Nobel Prize
Nobel Prize · Alain Aspect
The start jumps to the last question of Aspect's official Nobel interview, recorded in Stockholm on 6 December 2022: what does he think of people saying he proved Einstein wrong? Set his short answer beside this section's 'Einstein's scorecard'; the earlier questions cover how he came to science and to quantum mechanics.
Explainer · Fermilab
Fermilab
Fermilab's Dr. Don Lincoln explains what the phrase 'quantum entanglement' means and how two objects can be linked by quantum effects. As you watch, keep two questions in mind: what exactly is correlated, and could anything in the setup carry a message? Part 5 of the lesson settles the second question with a two-line calculation.
Explainer · YouTube
Looking Glass Universe
A short, careful argument for why entangled particles cannot carry messages, using the same Alice-and-Bob setup as Part 5. The video speaks of the particles 'affecting' each other; treat that as one way of talking (Part 5 explains why it is interpretation-dependent) and focus on the proof that Bob's results stay random.