The first answer coming to mind is simply “Why not?”. But – There’s a lot more to it. First of all, teachers should be updated on space science. We all should. It’s not an easy task, though. Just reading the news about space science and space technology takes time. Understanding the basic concept often takes […]Read More Why bring space into the classroom?
In some sense, this was the shortest visit to a museum ever. I had half-an-hour for this bounty of different instruments from all epochs of science since the 16th century, concentrated in a cellar somewhere on the premises of the University of Padova, in Galileo Galilei’s town. Thankfully, I had a wonderful guide. In addition, […]Read More A visit to Galileo’s cellar
One of my favourite games as a youngster was to skip stones on water. I was really bad at it – and still I became a physicist, a rocket scientist even. So, why does a stone skip on the water? You can find answers here at Quora. It is basically about vectors and where they […]Read More Skipping stones like a boss
There are many texts out there which discuss the reflection of light from surfaces. A good example would be found here. Now, as well as these articles are written, I do have a question. How come that water can reflect light? Isn’t it supposed to be transparent? Mirrors work in such a way that electrons […]Read More Why would a lake reflect a mountain?
One of life’s mysteries: How can you run on a pool of Non-Newtonian fluid without asking how that is even possible? Truth be told, I suspect that the question comes into people’s minds. Then they turn off their ears, when they hear the word “physics”. So let’s modify that question up there: How can you […]Read More Non-Newtonian curiosity
Well, that polar bear has a top speed of 30 km/h, while Usain Bolt once ran roughly 38 km/h. It is good to know, that the polar bear would not catch Usain Bolt within 100 meters on a track inside a stadium. Personally, I do not feel more comfortable knowing that. I have and will […]Read More Who is faster: You or that polar bear?
Clouds are collections of water droplets or, at higher altitudes, water ice crystals. So, honestly, why would they stay up there? It is not like snow flakes, for example, hang around or anything. The title question is legitimate. We cannot invoke old Archimedes and claim that the clouds float like a hydrogen balloon would. Hydrogen […]Read More Why don’t clouds fall down?