An ancient Greek mathematician, geographer, and astronomer named Eratosthenes of Cyrene was the first person to determine the size of the Earth using the principles of geometry and astronomy. Around 240 B.C., he achieved this remarkable feat by designing an…
We’ve all heard the phrase: “The next wars will be over water”. Water scarcity is recognized as one of the most important global risks that humanity will face in the coming years (see www.un.org/en/climatechange/science/climate-issues/water). In the island complex of Cyclades…
The junior team of the local football club has been promoted to the top division of the regional league after a good season. The sporting success is to be rewarded with new kits for the team. The chairman of the…
There are so many options of various types of vehicles on the market that it is often hard to know what to choose. Here is a task to help you analyse options and find the type of car that fits…
Your birthday is a very special day of the year. Hopefully the weather will be fine so you can do special things: throw snowballs, have a garden-party in the sun, enjoy the colored leaves on a forest hike or fly…
“Animal, veggi or vegan?” is a question that is also being asked about fruit gums. “Classic” gummy bears contain gelatine. Agar-agar is often used as a counter term to gelatine. However, more often pectins are used for the production of…
The question of which sofa you can just push through a hallway that turns at right angles is an unsolved mathematical problem. Fame and glory await the designer of the ideal sofa! Imagine you have a hallway that turns at…
CO₂, climate crisis – everyone knows by now that we have a problem. To deal with it properly, we also need to understand the math behind it. The greenhouse gases that make our earth warmer stay in the atmosphere for…
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