Category Archives: Audio

Remote Mexican Villages Build Their Own Cell Networks

The sound of a mobile phone is routine in much of the world. But it’s a recent arrival here in Talea de Castro, a mountain town in the southern state of Oaxaca, Mexico.

This radio report first aired on NPR’s Here and Now in partnership with IEEE Spectrum: [html] [mp3]. See also a related news story for The Economist’s Tech Quarterly: [html].

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Recyclers in Ixtlán de Juárez, Mexico, learn how to separate plastic bottles for recycling into much more valuable 3D printer filament.

3D printing takes off in Oaxaca

A busy street climbs a hill on the edge of Oaxaca de Juárez, the capital of the state of Oaxaca in southern Mexico. Up one flight of stairs in a fresh-painted white residential  building you’ll find the FabLab community fabrication center and Oaxaca’s first locally-produced 3D printer and plastic extruder.

This radio report first aired on Deutsche Welle in English: [html] [mp3]. The photos here are mine and first published here.

See also my magazine feature on this project for PBS NOVA Next: “Building a New Economy on Soda Bottles and a 3D Printer.”

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Nicaragua’s Bottom-Up Rural Electrification

Luís Euxebio Irías Calderón is the operator of a small hydroelectric power plant in the mountainous coffee country of northern Nicaragua, and he’s singing a song he wrote about turbines and transformers, to celebrate the arrival of electricity here in his remote corner of the country.

This radio report first aired on NPR’s Here and Now in partnership with IEEE Spectrum: [html] [mp3]. See the related magazine feature here: [html] [pdf].

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Spain replants after centuries of deforestation

First broadcast and published by Deutsche Welle: [html] [mp3]

Around this time of year in the Sierra de Guadarrama, a snow-capped mountain range outside Madrid, the snow is starting to melt. Below the tree line, the melting water soaks the earth in dense stands of pine trees. Further down, holly, oak and ash trees line the banks of mountain streams, and goats graze between granite rock formations.

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