Mind-bending optical illusion using stationary circles

This is a super impressive illusion featuring two stationary circles that look like they're not only moving, but expanding and contracting. I don't know how it works, but I do know that it involves the inner and outer rings. And also maybe magic. Here's the video:
矢印の方向に動いて見えますね~?
— じゃがりきん (@jagarikin) November 25, 2020
人間の脳は単純なので矢印で惑わされてしまうのでーす pic.twitter.com/lUPySup2du
Keep going for a video proving that the circles are stationary, as well as a video demonstrating that the key to the illusion are the inner and outer rings.
Another example, but I pref the previous one. pic.twitter.com/Ch4VYqTLtd
— Jake (@Jakesaurius) November 25, 2020
This guy spent 11 years working on this Line Rider track
Software engineer and Line Rider enthusiast David Lu spent 11 years creating this absolutely incredible Line Rider track he titled Omniverse II. It would suck if you...
This researcher correlated negative reviews of scented candles with COVID-19 cases
Inspired by this tweet, researcher Kate Petrova did a deep dive of scented candle reviews before and after the pandemic. Surprisingly or unsurprisingly, reviews of scented candles...
Can you change the color of the dots with your mind?
This illusion won second place in the 2019 Best Illusion of the Year contest and it has sufficiently made me question reality: In this illusion, either downward...
Stop, You're Hurting My Brain: This Dual Axis Optical Illusion
This is a video of a dual axis optical illusion of a rotating Lissajous curve (frequency relation 2:3) transformed into 3D space that appears to rotate around...
This guy spent 11 years working on this Line Rider track
Software engineer and Line Rider enthusiast David Lu spent 11 years creating this absolutely incredible Line Rider track he titled Omniverse II. It would suck if you...
A short film starring social awkwardness
"Awkward" is a short film by Nata Metlukh highlighting many of life's awkward moments. It has great animation, great sound design, and an abundance of all those...
