"In theory, there is no difference between theory and practice. But in practice, there is." - Yogi Berra
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"In theory, there is no difference between theory and practice. But in practice, there is." - Yogi Berra
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Games
For Educators
About us
Free Apps
Exhibits
MarsQuest
Alien Earths
Space Weather Center
Giant Worlds
Killer Asteroids
Silly Scripts
Write a silly story