Yes I see them all the time. Thru polarized glasses looking thru ceramic tinted window. We unknowingly live in a 3d blocked world. Some see in 2d 3d some see in 3d and 4d. It's a beautiful chaotic ...

When Lisa Piccirillo solved a decades-old mystery about the “Conway knot,” she had to overcome the knot’s uncanny ability to hoodwink some of the most powerful tools mathematicians have devised. Known ...

Also indexed by: Cumulative index to Mathematics of computation. Supplements accompany some issues. Also available on microfilm. Available also by subscription via the World Wide Web; access available ...