Article | REF: W10 V1

Water in the era of digital, energy and ecological transitions

Authors: Jean-Pierre DAL PONT, Sophie ALTMEYER

Publication date: February 10, 2023

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1. Water in all its forms

Water is part of our daily lives, and for those of us living in wealthy countries like France, it's often something we don't realize. The following is intended to examine a few aspects of the subject.

1.1 Features

Synonymous with biological life, water is a small, simple "Mickey Mouse" molecule made up of two hydrogen atoms linked to one oxygen atom. It is essential to the life that appeared on Earth three billion years ago. It can exist in three forms: liquid, solid (ice) and vapor. This molecule has astonishing properties: of all products, water has one of the highest surface tensions, enabling it to wet and penetrate everywhere. It is also characterized by a high specific heat, and one of the highest heats of vaporization: it can therefore store large quantities...

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