This website uses cookies to deliver some of our products and services as well as for analytics and to provide you a more personalized experience. Visit our Cookie Notice to learn more.

By continuing to use this site, you agree to our use of cookies. We’ve also updated our Privacy Notice. Visit our Privacy Policy to see what’s new.

Horizontal Lines

Horizontal Lines

Are the horizontal lines sloping or straight?

Answer: All of the lines are straight.

The black and white blocks are not aligned and thus fool your brain into thinking that the lines are sloping.