[Advertising Mania] This Is How an Earthquake Propagates Through the Entire Planet

 

This IsHow an Earthquake Propagates Through the Entire Planet
Wired thinks that Roy A.Gallant's 1950 classic science books need to be updated with 21st-Century styleand information. They're right, but while their artwork may be flashier and moreaccurate, it is not necessarily clearer. Take these twoexamples. Details at http://tiny.cc/w0mwz -

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