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A comment on Fusion energy breakthrough by Livermore Lab. Parent comment
https://en.wikipedia.org/wiki/Phase_velocity
You can see the effect shown in the first animation of this article if you keep track of the wave peaks in the wake of a boat. They start at the back of the group of waves, move through it, and fade away as they reach the front.
https://www.youtube.com/watch?v=lWi_KpBy8kU
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https://en.wikipedia.org/wiki/Phase_velocity
You can see the effect shown in the first animation of this article if you keep track of the wave peaks in the wake of a boat. They start at the back of the group of waves, move through it, and fade away as they reach the front.
https://www.youtube.com/watch?v=lWi_KpBy8kU