It’s very similar to an ancient Chinese earthquake detector that detects P waves by dropping a ball into a frog’s mouth. While we’re not sure if a few of [Andrea]’s devices would be needed ...

That project used a Geophone as the detector ... a lot of time thinking about how to predict earthquakes, as we’ve seen before. Of interest, the ancient Romans may have had a way to deflect ...

From the sensation of the world shaking beneath your feet, to the fear of what might happen next, it doesn’t matter how many earthquake drills you’ve followed – there’s always a sense of the ...