TECHNOLOGYQUIET
16 days ago
What butterfly wings have in common with barbershop poles

What's happening
SignalsMonitor is following this as a technology story. Ars Technica is the outlet attached so far. The first report grouped here was at 30 Sept 2026, 15:00 UTC. The headline in use is “What butterfly wings have in common with barbershop poles”. This note is SignalsMonitor's own briefing, not the publisher's article.
What we know
Old-fashioned striped barbershop poles turn in place on a vertical axis, but humans typically perceive the stripes moving upward rather than turning with the pole. It's a well-known visual illusion arising from processing biases in human vision.
Ars TechnicaRead at Ars Technica
Story timeline
Reports grouped into this story, earliest first. Exact repeats from the same outlet are collapsed.
- First reported by Ars Technica
Reported by 1 outlet
- Ars Technica