« 26 years of growth, showing Shanghai then and now. | Main | Cigarette cards life hacks »
December 10, 2013
We've got the Chimu empire on the line.

The marvel of acoustic engineering—cunningly constructed of two resin-coated gourd receivers, each three-and-one-half inches long; stretched-hide membranes stitched around the bases of the receivers; and cotton-twine cord extending 75 feet when pulled taut—arose out of the Chimu empire at its height.
Posted by gerardvanderleun at December 10, 2013 12:24 PM. This is an entry on the sideblog of American Digest: Check it out.
Your Say
BFD, it ain't wireless…..
Posted by: Jack at December 11, 2013 10:36 AM