Why bring space into the classroom?

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…

Who is faster: You or that polar bear?

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…

Why don’t clouds fall down?

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…