COHLIN is a course homepage with an AI Companion built in: your course's calendar, slides, labs and practice in one place, with help that teaches rather than tells. Choose a course below. These nine are working demonstrations for UCLA courses; each opens in any browser, with nothing to install.
Physics 5B · Winter 2027
Thermodynamics, fluids, waves and optics for the life sciences
Physics 5C · Winter 2027
Electricity, magnetism and modern physics for the life sciences
Physics 4AL · Winter 2027
Physics laboratory for scientists and engineers: mechanics
Physics 4BL · Fall 2026
Physics laboratory for scientists and engineers: electricity, magnetism, waves and optics
Physics 4BL · Winter 2027
Physics laboratory for scientists and engineers: electricity, magnetism, waves and optics
How to explore a homepage
- Five views, one page. The tabs at the top of every homepage (Public, Student, TA, Instructor and Dept.) show what each person sees. The first visit opens on About this course; later visits open where you left off.
- As a student, try Today, During class (notes typed or written by hand, with a Full page mode for tablets), Ask the Companion, and the practice pages.
- As the instructor, try the Approval inbox, What students ask and the Instructor guide: nothing reaches students without the instructor's approval.
- The Companion in these demonstrations answers from the course material with built-in answers; connected to the course's AI account, it answers with Claude.
- Sample data. Posts, questions and progress are examples. What you type is saved only in your own browser.
- Use the COHLIN ▾ menu to move between courses, and the iris logo for About COHLIN, its name and its flower.