Support the news

Enter an Optical Illusion06:55


Artist Julian Hoeber's "Demon Hill," now on view at the Harris Lieberman Gallery in New York City, is modelled after a roadside attraction called a "gravitational mystery spot" — where water runs uphill and gravity doesn't behave as expected. Science Friday talked to cognitive scientist Michael Landy about what happens to our perceptual system inside the exhibition.

+Join the discussion

Support the news

Next Up

Where to now?

More NPR or Explore Audio.