Maybe it’s just us (or maybe it's that Tuesday feeling) but we are genuinely finding this hypnotising.
First shared on Reddit six months ago, a black-and-white gif of an old cartoon has reappeared on Twitter of late.
It speeds up when you look away (not completely away – keep it in your peripheral vision) and shows down again when you look at it.
And slows back down when you look at it 🤔 pic.twitter.com/5zZJ4f5bUE
— Ali Cook (@ali_cook) March 21, 2017
Freaky and fascinating - we could watch this all day.