Physics & Astronomy Resources: Find Data

Physics and chemical reference data from the National Institute of Standards and Technology.

High energy physics databases at Durham University (UK): reactions (cross-sections, structure functions), experiments, email addresses.

Wolfram|Alpha contains a wealth of physics data, and provides you with computed results in the context of a given search. Wolfram|Alpha is an effective learning tool for students looking for ways to learn and test their knowledge of physics basics.