Wonderful free app that shows clearly how waves propagate from various sources— point source, two sources, dipole, etc — then how the waves reflect and interfere. Several options to customize. You can also “stick your finger in the water” and generate new waves that mix in with the provided waves. You can see things that would be a lot of trouble to set up in a lab.
Too bad several snotty schoolchildren were assigned to download it and failed to appreciate what they could learn and experience — their reviews are worthless.
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