Chemistry
How did we get to make bronze?
We talk about the Bronze Age from elementary school, as well as in documentaries, and […]
Geology
Geology
What is charcoal?
There are many coal mines in Belgium. This can be seen in the many slag […]
Geology
What is the difference between caves and caverns?
The words “cave” and “cavern” are often considered synonyms, that is, words that mean the […]
Geology
How are caves and caverns formed?
Captivating, fascinating or sometimes frightening, the caves fascinate amateurs as much as scientists for their […]
Geology
Australian Fire, a rock like no other?
This multi-colored opal like a kaleidoscope is the most expensive opal in the world. With […]