Mathematics
The Birthday Problem

The Birthday Problem

At the World Cup in Brazil in 2014, in 16 out of the 32 teams two players shared the same birthday. Considering each of these selections consisted of 23 players and there are 365 days in a year (excluding February 29), it seems like an enormous coincidence that this...

The impossible program

The impossible program

Each year new computer systems are put into the market, featuring increased memory capacity, better screens but perhaps most importantly, stronger processors. More processing power results in handling more tasks per second or, in other words, less time per task.  A...

Mathematical impossibilities

Mathematical impossibilities

‘Nothing is impossible’ is one of the most used phrases to convince people that they can accomplish anything, no matter how hard you have to work for it. But to what extent is this phrase actually true? The word impossible is something that a lot of people already...

Mathematical magic

Mathematical magic

[latexpage] Many card tricks in this world involve some fancy hand movements. However, there are also many tricks that involve some mathematics. During these very busy times with exams, I present some card tricks to get your mind off studying and challenge your brain...

What is true randomness?

What is true randomness?

The shuffle function on Spotify is an easy way to listen to music without having to pick some numbers. However, once in a while we all seem to recognize patterns in the numbers that we listen to. The shuffle function does not seem to be so random at all, so are these...

Counting cattle

Counting cattle

In 1769, the Herzog August Library of Wolfenbüttel, Germany, appointed a new librarian. The main task of this librarian consisted of translating the many Greek and Latin manuscripts of the library. After a few years, the first batch was published, which included a...

The Math behind Poker

The Math behind Poker

Shady men wearing sunglasses, sitting around a table, playing for big pots of money. That is what we often associate with poker when thinking about the game of bluffing. A game where most people think that the essence is to read your opponents, while leaving them...

The Duisenberg Pranksters

The Duisenberg Pranksters

Sometime in the future, when physical college lectures are once again allowed, one hundred students are attending a lecture of the Multivariate Calculus course. The students, after hearing multiple savvy jokes about their intellect and ability regarding calculus,...

Don’t let this piece puzzle you

Don’t let this piece puzzle you

Since the start of the corona crisis, solving these has probably become one of your biggest hobbies. Webshops cannot cope with the growing demand and the largest warehouse for this product, located in Missouri (USA), has reported mind-boggling revenue growth of 2000%....

The math behind the coronavirus

The math behind the coronavirus

[latexpage] At the moment we live in a big crisis, the corona crisis. Already more than one million people over the world are infected and more than 60,000 people died. A lot of countries are having big outbreaks and the health care is having capacity problems. This...

Should we be scared of algorithms?

Should we be scared of algorithms?

The word ‘algorithm’ can be quite a scary word if one does not know what it actually means. But should we be scared of it? Nowadays, the word is much more frequently used than it was in the past. This is because artificial intelligence (AI) has had a huge rise in the...

Analytical Darts

Analytical Darts

“Why is playing darts even called a sport? I could do this with my eyes closed!”: just one of the many prejudices a lot of people have when speaking about the oh-so controversial ‘sport’ darts. The fact that most of us only play darts when we are drunk and that most...

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