Which direction are the hands moving?
An illusion created by Marcel de Heer.
Two hands stirring in your brain
Continue reading “The two rotating hands – an optical illusion”
Day: December 1, 2016
Some Notes on a Talk About Lying
From Steven C. Markoff of the organization ProCon.org, whose goal is to state the pros and cons of controversial issues. In their words: "We promote critical thinking, education, and informed citizenship. (We) present controversial issues in a straightforward, nonpartisan, primarily pro-con format." Read Here>>