(click to enlarge)

It’s not animation, it’s not a gif. It’s a static jpeg.

All that twisting and undulating you’re seeing right now? Nothing more than tricks of your peripheral vision.

Furthermore, you’re not tripping, or – as Brent Rose of Gizmodo sez:

‘…if you’re actually on acid, you will either see nothing moving at all, or the effect will be so powerful that your mind will turn to tapioca.’

via