Tom Scott

Making artificial earthquakes with a huge steel ball (2018x7)

Ημερομηνία προβολής: Φεβ 12, 2018

In Göttingen, Germany, there's a four-tonne steel ball that can be raised up a 14-metre tower -- and then dropped in less than two seconds, crashing back to earth. It makes tiny, artificial earthquakes: here's why.