The Physics Source website will be unavailable Friday evening through Saturday afternoon as electrical work occurs in the American Center of Physics server room. Down time will begin at 6PM Eastern Time on Friday. Service is expected to resume by 6PM on Saturday, July 30.

Welcome to the Source

The Physics Source is a collection of resources for introductory college level physics courses. It includes curriculum, curriculum support material, reference material, and pedagogical and physics education research inspired content.

The Source relies on you, the community of teachers, to expand and maintain its holdings.

Featured Item

Featured IntroPhys Resource

Waves: An Interactive Tutorial
This collection of interactive tutorials on Waves covers topics ranging from basic motion through chains of oscillators and non-linear waves. Each tutorial is built around an interactive simulation that can be run on a wide range of devices.
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Mystery Image

Mystery Physics Image

Physics for Life
Sciences Project Wiki

Community project to update physics for the life sciences
Browse the IPLS Wiki

PER User's Guide

Evidence-based methods for teaching physics.
Visit the PER User's Guide

July 28th History

1964: The first successful Ranger mission, Ranger 7, was launched. It sent back 4316 photos of the lunar surface before impact.
Source: Physics Infomall.