Courses from 1000+ universities
Buried in Coursera’s 300-page prospectus: two failed merger attempts, competing bidders, a rogue shareholder, and a combined market cap that shrank from $3.8 billion to $1.7 billion.
600 Free Google Certifications
Greening the Economy: Sustainable Cities
Introduction to Graphic Illustration
Computational Social Science Methods
Organize and share your learning with Class Central Lists.
View our Lists Showcase
Discover the mathematical foundations of Einstein's general relativity through visual explanations covering spacetime, geodesics, curvature, and the Einstein equation.
Explore the geometric origin of particle spin, its significance in quantum mechanics, and the meaning of electron up/down states in this concise 20-minute explanation.
Explore the mathematical geometry of color perception, from Newton's disc to XYZ color spaces and psychological approaches to understanding how we perceive and organize colors.
Explore the scientific accuracy of Interstellar, including black hole simulations, wormhole travel, and time dilation, in this comprehensive analysis of the film's key concepts and scenes.
Explore the physics behind AI and neural networks, from the Ising model to quantum fields, explaining why the 2024 Nobel Prize in Physics recognized artificial intelligence breakthroughs.
Explore the dramatic formation of black holes through stellar collapse, gravitational lensing effects, and the Oppenheimer-Snyder model in this visual simulation.
Get personalized course recommendations, track subjects and courses with reminders, and more.