The Impossible Man,” by Patchen Barss, depicts the British mathematical physicist and Nobelist Sir Roger Penrose in all his ...

A viral photo of a seemingly impossible object, such as a staircase that appears to endlessly ascend or descend, has baffled viewers. These impossible objects, also known as Penrose stairs ...

If you've never attempted building your own stairs from scratch before, or revamping the ones you already have at home, you might think that it's a seemingly totally impossible process. Which part are ...