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This Website devoted to scientific information wants to be relevant, honest, clear and precise.
It is accessible to sensory handicapped and to any web browser.
It is used by many schools and organizations, especially in the context of end-of-studies projects.
It hosts many references, books, guides, photos, videos... about the following topics :

1. Physics of Billiards : a complement useful to the practical guides on Billiards.
    For player, software designer, scientist...

2. Hydraulic ram : an unusual device with a simple operating principle, a complex theory and an ancestral practice.
    For user, hydraulic ram manufacturer, scientist...

3. Human Nervous System (HNS) and Learning : a sensori-motor behaviour model of baby in accordance with Piaget's Learning Theory.
    For biologist, psychologist, neuro-scientist...

4. Relativity : basic formulas of Restricted Relativity and General Relativity with a presentation of the mathematical tools accessible to uninitiated people.
    For students and mathematicians looking to learn in this field without having several years to devote to it...


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