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Splitting The Second This text presents the story of the development of atomic clocks and atomic timekeeping. It shows how and why reliable clocks were invented, how co-ordinated... »
Dru Yoga - Stilte in beweging Hoe zorg je voor rust en zelfvertrouwen wanneer alles om je heen in hoog tempo verandert?<br/>Deze vraag is voor iedereen actueel.<br/>Dit boek bied praktisc... »