The ages of the four daughters
The workings: Taking advantage of the fact that one of the protagonists of today’s divertimento is a mother of four daughters, I wanted to draw attention to one of the most serious problems facing Spain: […]
Month: January 2017
Solution: The ages of the four daughters
Next we show the solution to the divertimento The ages of the four daughters. The divertimento: Manuela, a mathematician (M), meets an old friend, Antonia (A), whom she has not seen for quite some time, […]
Kepler and freedom of speech
In recent months, there has been a steady stream of disputes in Spain over the limits of freedom of speech. In April 2016, two puppeteers were directly imprisoned for several days on charges of glorifying […]
Hookers, dung and university (by A. Einstein)
I revisit in this section one of history’s great sarcastic men: Albert Einstein, also known as a scientist. After finishing his university studies in 1900, Einstein began a veritable ordeal in search of a job […]
A planet between Mars and Jupiter?
William Herschel’s discovery of the planet Uranus in 1781 strengthened a rule of thumb proposed shortly before, called the Titius-Bode law, which was intended to determine the distance of the planets from the Sun—even if […]
Stories from the Scottish Café: 2. The mathematical gathering
In the next episode of Fun & Games we return to the book One hundred problems in elementary Mathematics, by the Polish mathematician Hugo Steinhaus (1887-1972). So today we will dedicate this entry to continue with […]
Sierpinski’s problem
In early December 2016, various media, including issue 515 of the Boletín de la RSME, informed us of the discovery of a 9-million-digit prime (see also: Quo). To some of us more interested in computational […]
Perfect travel partner (by Omar Jayyam and Abu Ben Utba)
Of course that perfect travelling partner is wine, good wine; and the journey, rest assured the General Department of Traffic, is not by car, but I use it here as a metaphor for life. Curiously, […]