2018 February 12Download Making Artificial Earthquakes with a Four Tonne Steel Ball
Description: 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.
Thanks to all the team at Wiechert'sche Erdbebenwarte Göttingen! You can find out
Uploaded By Original Author: Tom Scott || Watch On YouTube Download Full HD MP4
