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Things can appear to be moving, when they really aren’t. Sometimes an object might seem to be at rest, even when it is in motion. It’s all relative. Relative motion, that is. How things appear to move depends on how you, or any observer, happens to be moving. So, if you’re on a bus looking out a window into another bus, and your bus begins to back up slowly, you may think the other bus is moving forward, when really it’s not moving at all. That’s motion in motion. It happens all around us all the time.
Първа ефирна дата : Sep 10, 1993
Дата на последния ефир : Jun 20, 1998
Епизод : 100 Епизод
Сезон : 5 Сезон
Времетраене: 26 минути
Студио: PBS
Страна: United States of America