How It Works
When two wave sources create overlapping patterns, you get interference. Where crests meet they add (constructive), where crest meets trough they cancel (destructive). Noise-canceling headphones work this way.
Create patterns with two wave sources — watch waves add and cancel
When two wave sources create overlapping patterns, you get interference. Where crests meet they add (constructive), where crest meets trough they cancel (destructive). Noise-canceling headphones work this way.