The Seismograph ~ Emil Wiechert

The Seismograph ~ Emil Wiechert Video watch and learn with MP4,3GP format.You can watch online The Seismograph ~ Emil Wiechert video to free learn
Seismograph is often used to mean seismometer, though it is more applicable to the older instruments in which the measuring and recording of ground motion ...
 

Making Artificial Earthquakes with a Four-Tonne Steel Ball

Making Artificial Earthquakes with a Four-Tonne Steel Ball Video watch and learn with MP4,3GP format.You can watch online Making Artificial Earthquakes with a Four-Tonne Steel Ball video to free learn
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 ...
 

Nuclear Fission ~ Otto Hahn

Nuclear Fission ~ Otto Hahn Video watch and learn with MP4,3GP format.You can watch online Nuclear Fission ~ Otto Hahn video to free learn
Otto Hahn,(8 March 1879 – 28 July 1968) was a German chemist and pioneer in the fields of radioactivity and radiochemistry who won the Nobel Prize in ...