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Not all particles are the same, many of them have different shape, size, and composition. Some of them reflect or scatter light, and others absorb it. Two instruments on the image, photometer and nephelometer,
...moreMeasuring site T1 is in Tecámac. This is a little town close to Mexico City. The name Tecámac is a Náhuatl word, an ancient Mexico's language, spoken by Aztecs. In Náhuatl, Tetl or Tec means stone, camatl
...moreHello again: We are nearing the end of our field campaign in Mexico. It has been a real adventure, with friendly people, great food, and interesting science. I obtained some good hydrogen peroxide measurements
...moreHere is an example of how polluted the City is. This is a picture of "Cerro del Chiquihuite", which is situated around 5km (3miles) north from us. Chiquihuite is very close, indeed. However, we can barely
...moreOn one of our down days, we took a little trip to a small town about 20 km from Veracruz. In the little town of Zempoala (also called Cempoala), there is a large area of partially restored ruins of ancient
...moreThis is a picture of the site where I am going to be measuring particles (I am in the room on the top of the building). We call it T0 because it is inside of the city and we can consider that the pollutants
...moreOur boxes crossed the border yesterday and, after a 15 hours drive from Laredo, finally arrived this morning! The fun begins!!
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