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Making Artificial Earthquakes with a Four-Tonne Steel Ball
Hmm. Seems like an obvious omission to fail to cut to the seismograph reacting on their custom-made soot paper there at the end...
And those extras (how that much steel survived 2 world wars, etc.) are really fun and interesting details. Too bad they couldn't get worked in, but I guess including them in description text works.
Live Television VS Earthquakes
I love when they pan to the Seismograph. No details, no idea what the hell the blue is supposed to represent, no explanation while the anchors derp.