Titlebook: Dark and Bright Mathematics; Hidden Harmony in Ar Dirk Huylebrouck Book 2023 The Editor(s) (if applicable) and The Author(s), under exclusi

Nonthreatening

Aufgaben zur modernen MathematikMany lotteries use rotating drums with numbered balls falling over each other until one of them drops through an opening. They always follow an identical procedure though the time of rotation can differ slightly. The case of the Belgian lottery is used here to find out if this repetitive method really results in a random set of numbers.

描绘

Aufgaben zur modernen MathematikIn the eighteenth century, Leopold Mozart and his brilliant son Amadeus traveled all over the cultural world of their time. Today, Canadian father Martin Demaine and son Erik amaze the mathematical world, traveling around showing ‘mathematics is everywhere, in juggling, in music, in African sand drawings.’

亲爱

Aufgabenkultur im SportunterrichtIn the world of social media, most people’s friends have more friends than them. However, finding the person with the most friends on, for example, Twitter, is a difficult problem. Both questions are interesting mathematical research topics—perhaps too humble for most researchers, but not so for Russian-Dutch Nelly Litvak.

马具

轻推

Aufgaben zwischen Können und WissenMathematics with Meccano sounds like a fun, constructive activity. A Nobel Prize winner in physics, a math education professor, and a research mathematician agree. One can even tackle age-old issues that are unsolvable according to classical drawing methods. And isn’t hands-on math ideal in times where technicians are needed?

CLASH

使满足

AXIS

charisma

Connotation

War Hero, Math Genius, MartyrMathematics has a martyr too: mastermind Alan Turing cracked Hitler’s code but died in suspicious circumstances from the poison of a cyanide apple.