Tag Archives: #WaveWatchingWednesday

#WaveWatchingWednesday

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Ha, I was so keen on getting to my morning swim that I scared one of the ducks so it didn’t just swim away (like the other one), but took flight for a meter or so, before it plopped back down into the water! Can you see it in the waves?

This one is for you @manelriveracamacho: an interference checkerboard pattern in capillary waves! And at the same time a really interesting case of total reflection: the whole green-yellow-ish part in the foreground is where we look directly at the slope of one side of a wave, and can look into the water because the angle is steep enough. For the whole blue area, including the one side of the capillary waves in the yellow-green-ish area, the angle is smaller, and in fact so small that we can’t look into the water any more, but instead see the reflection of the sky!

More super awesome capillary waves. See how they act like lenses and deform the straight-ish ripples in the sand into zigzags?

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#WaveWatchingWednesday

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I know, it’s not even Wednesday today, but I have to get all the pictures out that have accumulated since the last #WaveWatchingWednesday post on January 19th! Because these days, I go swimming in the sea every day so pictures are accumulating over on Instagram fast!

Since I’m sharing over four months in one post, I’ll break it down into several chapters and give you a little meta commentary in addition to the image captions, that are just what the captions on Instagram were when I posted the picture. Continue reading →