MathematicsApril 1, 1957
Mind-Bending Probability Paradoxes
Paradoxes dealing with birthdays, playing cards, coins, crows and red-haired typists
Mathematics
MathematicsDecember 1, 1956
Here’s How to Make Flexagons—Folded Strips of Paper with Strange and Surprising Properties
In which strips of paper are used to make hexagonal figures with unusual properties