September/2092024/math-feat.jpg" width="1200" height="675" /> Brain teasers are more than just simple puzzles; they’re a mental workout cleverly disguised as fun. These thought-provoking challenges ...
This puzzle originally appeared in Spektrum der Wissenschaft and was reproduced with permission. Hans-Karl Eder is a German mathematician, educator and author who also works as a MINT ambassador to ...
Lewis Carroll’s best-known work may hold traces of his beliefs as an Oxford maths professor. Marrying imagination with logic, ...