Tag: Carlo Frabetti

Our regular commentator Manuel Amorós has simplified the solution to the ox problem, posed last week, in an ingenious way ...

If our bird from last week were enclosed in a glass cage, with air entering and exiting only from above, ...

A map folded like a paper airplane.Alamy Stock PhotoIf we multiply the sides of the DIN A0 sheet, the origin ...

The coordinates of any point (P) of a circle whose center coincides with the point of intersection of the axes ...

In a trivial tower of Hanoi with two discs, A and B, as we saw last week, the sequence of ...

The Tower of Hanoi is a popular puzzle devised by French mathematician Édouard Lucas at the end of the 19th ...

Tetahedron of stacked spheresCarlo FrabettiI have to start by correcting an omission: last week I talked about 2024 and square ...

Astronomical clock in St. Mark's Square in Venice.Perseomed (Getty Images/iStockphoto)To enter 2024 without unfinished business, let's start by seeing the ...