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The purpose of the ESCOMPTE program is to develop a database designed to validate the instruments used to model atmospheric pollution and especially photochemical pollution, which is more common in summer. The project took place between June 5 and July 16 2001 in the area of Marseille-étang de Berre, and involved several types of measuring equipment: VHF radar, sodar, constant-volume balloons, airplanes such as ARAT, etc.ESCOMPTE also investigates the interactions between the soil, vegetation,…

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Measuring the air
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In Hamburg, the particle accelerator HERA is located under the city's soccer stadium. At each end of the accelerator two teams of 400 researchers face each other around the H1 and ZEUS detectors. The object of their rivalry is to unlock the secrets of the basic constituents of the atom and in particular to study proton structure.

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Playing for atoms

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