* Bill Gosper <billgosper@gmail.com> [May 14. 2015 08:26]:
[....]
chewing gum: gosper.org/hyperbolicV2.gif .
Whoa! Instead of freezing the gif, do the following. Stare at the (moving) image for 30 secs or so, keep your eyes fixed at center. Then look on some text (e.g., this email). Enjoy the text going warpy! I am impressed!
Staring at this for a few periods and then suddenly freezing it produces a strong and amusing variation on the moving bar illusion. The problem: how to freeze an mgif without moving your eyes? https://addons.mozilla.org/en-US/firefox/addon/toggle-animated-gifs/ enables Firefox to alternately play and pause mgifs with the keystroke Control-m.
Doesn't work here, pressing escape used to stop animations, now shift-escape does that. For restarting the animation it seems I have to reload the image.
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