Having come across this shark at reference 1, having been prompted to go there by the (possibly discredited) paper at reference 2, I wanted to see whether it would survive all the layers of image processing between Wikipedia and the blog viewer - with the image having been moved across my laptop at least once and across the aether at least three times. Who knows how many times it has been compressed and de-compressed along the way?
I need a little trickery with the eyes to summon the shark.
Answer: yes. Click to enlarge, gaze at the image and the shark will appear.
Answer yes to Microsoft Word too. Paste the image into a word document, at something a lot less than full size, and the shark is still there. Furthermore, I can now gaze at the Blog image, without clicking to enlarge, and if I work at it a bit, the shark will still show up. A bit degraded, perhaps more cat-fish than shark, but there.
Reference 2: An adult eidetiker - Charles F. Stromeyer III - 1970.
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