This module focuses on the mathematical standard topic “functions”. The concept of functions is fundamental in mathematics and all other STEM subjects. In this module, we aim to help teach this topic using a key competence approach. We do this…
From Escher’s impossible scenarios to the geometric figures that shape graphic poems, many artist have found in math an inexhaustible source to expand their creativity. Thus, the infinity symbol (∞), similar to the Bernoulli’s lemniscate curve, appears in multiple forms…
There are 700 million unused mobile phones in drawers in the EU. The estimated value of materials in all these phones is €600 million to €1.2 billion. If we collect all these phones, we do not have to mine for…
In 1960, an entrepreneur named David Latimer set an experiment to investigate the interdependent relationship between plant life and their microbiological surroundings within a closed system. He placed only a handful of soil-dwelling plants – a fern, moss, and grass…
Eva works at Eco-delivery, an environmentally friendly courier that delivers post by bicycle within the city. The sun was shining and Eva decided to head to the beach with her swimwear. Early as it was, Lena and Ullrika were already…
Plastic production has sharply increased over the last 70 years. In 1950, the world produced just two million tons. It now produces over 450 million tons. Plastic has added much value to our lives: it’s a cheap, versatile, and sterile…
We often use markers in our daily life, especially at school. But there is one big problem – markers aren’t refillable. After markers run out of ink, they are usually thrown away without thinking twice. For most makers the reservoir,…
On December 8th, 1921, Fred R. Barnard used the slogan “One Look is Worth A Thousand Words” to promote advertisements on streetcars. This slogan has not lost its relevance to this day: Certain things can be expressed more precisely using…
Greenhouse gases need to be cut at every turn, but neither at the political and societal level nor in one’s own habits you can change everything at the same time. So where do we start? Perhaps where it will do…
