About the XRDS Blog

The XRDS blog highlights an range of topics important to CS students. If you are interested in contributing to our blog, please contact us at xrds@acm.org.

Recent Posts

On earthquakes, lakes and sensors

I live in Mexico City, one of the largest cities in the world. As all large cities, it has its ghastly demons. I am willing to argue that the one lying below it makes it unique in the world — We live atop what remains of a lake. Of course, it is not visible at plain sight (I would not surround it in this mystery setting otherwise): Our city is not Amsterdam or Venice, embracing the water, but we seem to hide it as if we were ashamed of it — there is a small surviving fraction of the once great Texcoco lake in the city’s South East, in the touristic Xochimilco borough, plus a wider region in the North East that just refused to go away, but has been historically shunned by everybody.

The lake, however invisible, is far from dry: Although it is mostly mud, it does contain some water pockets that are harvested to help our 22 million people have running water. That, of course, together with an impressive set of aqueducts bringing water from over 400Km away.

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