See colors that aren't really there.
The 18,000-foot Mt. Parinacota presents some fitness challenges for climbers.
Find out why balls bounce--or fail to bounce.
A rock-climbing physicist explores the mechanics of his hands.
This series of activities explores those handiest of appendages, your hands.
Learn about the most important piece of equipment-- your feet!
Your worn shoe soles reveal whether your feet roll excessively from side to side as you walk.
Identify misalignments in your body by looking at your feet.
Find the answers to common Sport! Science questions.
Answers to questions you've asked.
What happens when two hockey players collide? Try our hockey collision calculator!
Measure your reaction time with just a meter stick and some help from a friend.
You can measure your reaction time with just a yardstick and some help from a friend.
You may be surprised at the results of this "wimpy" workout.
Find out why wind resistance is a big drag for bicyclists, and use our calculator to estimate drag for yourself.
Why do road bikes have thin tires, while mountain bikes have fat tires?
ExploratoriumPier 15, San Francisco, CA 94111