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Our latest release
Sun's Apparent Path (North)
A standing wave is the sum of two progressive waves propagating in opposite directions. You can observe the nodes and the anti-nodes.
Click and drag the 
to modify the frequency and the wavelength.
Click on 'amplitude' then drag the cursor 'A' to set a new amplitude.
Enroll your school to take advantage of the sharing options. Once registered, the links below will include activation codes.
