Part of a software developer’s job is being able to understand how the competition’s software functions. This aspect of a software developer’s job is recreated in this task. In it, students find out how four different smartphone apps function. Worksheet…
In police investigations, officers often only know a few details. For example, it can be that when police need to determine how fast a vehicle was driving, they only have an audio recording available to help them. In such cases,…
Being able to deal with smartphone data is an important skill in the modern world of work. In the following task, you will experience this kind of work as you solve a GPS puzzle. Various Levels can be chosen and…
When composing music for a choir, the composer must keep all the instrument groups balanced with each other. This means no group is too loud or soft. An interesting point here is that listeners do not necessarily perceive twice as…
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…
Anchan, or butterfly pea tea, is a blue, caffeine-free tea from South East Asia. But the incredible color is not the only thing that makes this tea special. You will be surprised… Make a tea from the flowers of the…
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…
