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The Instruments Aboard the Mars Exploration Rover
Meet the robotic explorers that landed on Mars in 2004, and check out their tools and instruments.
Is there life on Mars? Our best evidence so far is a baked-potato-sized chunk of rock found in Antarctica.
What do snowflakes look like on Mars?
Find links relevant to Mars and space exploration.
Use a sheet of liquid crystal to learn about how infrared cameras work.
You can make sentences without words!
Grow spikes of crystals in the sun.
Watch tiny blue, green, and white molds grow on leftover food.
Watch old pennies turn bright and shiny right before your eyes!
What does it take to block gamma radiation?
Here's how you can model the use of X rays for medical examinations with some sand and a piece of screen.
Study ultraviolet radiation from the sun and other sources using UV beads.
With polarized light, you can make a stained glass window without gla
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.
Why do road bikes have thin tires, while mountain bikes have fat tires?
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.
What is a gear ratio? And how do gears help make the bicycle so efficient?
What are the best materials for frames? What are the best designs?
Find the answers to common Sport! Science questions.
Identify misalignments in your body by looking at your feet.
Your worn shoe soles reveal whether your feet roll excessively from side to side as you walk.
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!
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