Courses from 1000+ universities
$7.2 billion in combined revenue since 2020. $8 billion in lost market value. This merger marks the end of an era in online education.
600 Free Google Certifications
Cybersecurity
Digital Marketing
Generative AI
Understanding Medical Research: Your Facebook Friend is Wrong
Algorithms, Part I
Moralities of Everyday Life
Organize and share your learning with Class Central Lists.
View our Lists Showcase
Explore gamma-ray burst central engines, focusing on hyper-accretion disks around black holes. Examine self-gravity, magnetic fields, and instabilities in neutrino-dominated accretion flows and their role in X-ray flares and prompt emissions.
Explore manifolds, coordinates, and tensors in this graduate-level physics lecture, covering key concepts and transformations for advanced theoretical understanding.
Explore quantum contextuality without measurement incompatibility, challenging conventional understanding. Delve into a new convex-geometric framework for generalized contextuality in quantum systems.
Explore noise reduction techniques for graph states in quantum information, focusing on Bell pair extraction and maintaining entanglement quality across large distances in various graph geometries.
Explore attoscience, high harmonics generation, and quantum simulators. Delve into QED aspects and recent developments in the field, concluding with insights on Nobel 2023.
Explore special relativity, electromagnetism, stress-energy tensor, equivalence principle, and Mach's principle in this graduate-level physics lecture.
Zgłęb podstawy szczególnej teorii względności, kinematyki i konwencji sumacyjnej Einsteina w ramach kursu dla doktorantów z fizyki teoretycznej.
Explore Bell nonlocality in many-body systems, focusing on creation and detection in Bose-Einstein condensates and spin chains. Learn about quantum correlations beyond two-electron configurations.
Explore light aberration, tensor algebra, and relativistic objects in this graduate-level physics lecture. Practice tensor transformation laws through exercises.
Explore rigorous definitions of "redundancy" and "consensus" in quantum objectivity, examining their distinct roles in the quantum-to-classical transition and implications for quantum Darwinism.
Explore the controversial "Maia variables" - pulsating stars outside known instability strips. Examine recent findings, spectral analyses, and TESS data to determine their existence and nature.
Explore kinematics in special relativity, relativistic velocity addition, Lorentz contraction, and the Doppler effect in this graduate-level physics lecture.
Explore relativistic quantum measurements in Bell-type tests, examining time resolution and collapse. Learn modern approaches for click-wise detection without extra particles.
Explore objectivity in boson-spin systems with Dr. Tae-Hun Lee, delving into quantum information and computing concepts at the forefront of theoretical physics research.
Explore the Feynman propagator in Quantum Field Theory, examining its definitions and applications across various spacetime models, including stationary, FLRW, and de Sitter.
Get personalized course recommendations, track subjects and courses with reminders, and more.