Physics
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,…
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…
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…
Did you know that according to a study from the University of Virgina, women are 73% more vulnerable than men in a car accident? In addition to the physical and biomechanical differences between women and men (such as the fundamental…
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…
Being one of our five senses, humans heavily rely on their sight, making vision and visibility important aspects of our daily lives. Good sight is an important safety issue, especially when driving or cycling at night, when lots of people…
Sometimes, things are not quite as they seem. And we even have a scientific experiment to prove it by “raising” a coin in a bowl of water – without touch. You will need: 1 euro coin, a bowl, a cup…
Maritime canals and straits play a critical role in international trade and they usually experience heavy shipping traffic. For instance, the Suez Canal, an artificial sea-level waterway in Egypt and considered the greatest engineering feats in the nineteenth century, recently…
Rainbow in the sky – where does the rainbow come from and why is it round? First it rains, then the sun begins to shine. And with a little luck, a brightly colored rainbow starts to appear in the sky….
