In our mind’s eye, the universe seems to go on forever. But using geometry we can explore a variety of three-dimensional shapes that offer alternatives to “ordinary” infinite space. When you gaze out ...

Tattooing is an ancient art that goes back centuries, but trends come and go. One rising motif in the permanent-ink culture is sacred geometry. This particular use of geometry focuses on patterns and ...

MR. MAIR states clearly in his preface the scope of his book, which deals essentially with the elementary geometry of a four-dimensional continuum of space and time, the existence of straight lines ...