My friend Eliška got a cake from Merci chocolate bars and Ferrero Rocher, attached to a base from polystyrene. It was really finely done, with satisfactory geometric regularity....

Living in mountains, I get many opportunities to ask myself the most fundamental question: "Can a sheep herd be modelled similarly to fluid dynamics?" Today, we are go...

Sportka is a popular lottery in Czechia, with an average superjackpot over 100M CZK. What is the chance of winning the lottery? How much one loses by long-term betting? Today, w...

There is 23 people in the group. What if I tell you that the probability that (at least) two of them have birthday at the same day is more than 0.5? You don't believe? Ok, let's...