Visual paradoxes This is a Penrose triangle. It is an example of an impossible object or a visual paradox. It appears to depict a contradictory object that cannot exist.

Nuit Blanche, Toronto’s all-night arts festival that took over the city this past weekend, asked artists and audiences to confront a timely paradox: in our hyper-connected world, why are we ...

That’s the paradox of sleep: a vitally necessary universal act, its need seems exceeded only by its lack. In an online world that has little use for outdated-seeming divisions like time zones ...

Jasmeen Patheja’s ‘Action Hero Satya,’ 2015, at one of the Meet to Sleep actions in India organized by Blank Noise as a protest of violence against women. toni_hafkenscheid / Courtesy of the artist.