Physics

The Physics Philes, lesson 113: Don’t Interfere (Or Do)

So far in our discussion of waves we’ve basically been working with one wave at a time. But that’s not really how waves work in real life. Waves from different sources are constantly bouncing around. Modern life is a cacophony. Physics can tell us how those waves interact. With all …

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The Physics Philes, lesson 103: Of Nodes and Anitnodes

Last week we looked at what happens when a wave pulse is reflected off a barrier. But what happens when a sinusoidal wave on a string is reflected? That’s our topic today as we discuss standing waves on a string. In order to do this, we need to use a …

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