Motion illusions arise from light source ambiguity

Motion illusions such as [the rotating snakes illusion](https://journals.sagepub.com/doi/pdf/10.1068/p7706) or the [rotating cube illusion](https://twitter.com/jagarikin/status/1228122662368448512?s=09) remain unexplained. Recently, [Watanabe et al.](https://www.frontiersin.org/articles/10.3389/...

By Lana Sinapayen, Eiji Watanabe