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La narrazione scolastica delle scienze descrive un mondo fatto di certezze.
Invece, l'esito più significativo della scienza del XX secolo è il riconoscimento del ruolo dell'incerto in quasi tutti i campi.
Perfino nello spazio, dove abbiamo sempre immaginato i corpi muoversi su traiettorie eterne, troviamo lune che capitombolano in maniera caotica, quindi in modo del tutto imprevedibile.
Un loro abitante non saprebbe mai quando e dove il sole sorgerà la prossima volta.
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