Carlo Frabetti

In addition to helping Einstein conceive general relativity, elevators lend themselves to interesting combinatorial problems.

The operation of the wheel, a key element of technology for thousands of years, gives rise to interesting paradoxes

Arthur Eddington popularized the expression “the arrow of time” to refer to its irreversibility.

There is an interesting type of number puzzle in which numbers are replaced by letters or other numbers, as in an encrypted message.

The passage of time can be measured in many ways, and that is why there are sundials, sand clocks, water clocks... and even wax clocks.

The Colombian mathematician Bernardo Recamán, author of the sequence that bears his name, is also a prestigious popularizer.

With the publication, in 1801, of 'Disquisitiones Arithmeticae', Gauss laid the foundations of modular arithmetic

Less known than Fermat's last theorem, his little theorem is no less important in terms of its applications.

The 8, which lying down represents infinity, also seems inexhaustible in terms of its properties.

In the 18th century, British mathematician Thomas Bayes proposed a powerful and controversial way of approaching the calculus of probabilities.