Να βάλω κάποιες λέξεις σε σειρά
α) Antoine Henri Becquerel was born in Paris on December 15, 1852, a member of a distinguished family of scholars and scientists. His father, Alexander Edmond Becquerel, was a Professor of Applied Physics and had done research on solar radiation and on phosphorescence, while his grandfather, Antoine César, had been a Fellow of the Royal Society and the inventor of an electrolytic method for extracting metals from their ores. He entered the Polytechnic in 1872, then the government department of Ponts-et-Chaussées in 1874, becoming ingénieur in 1877 and being promoted to ingénieur-en-chef in 1894. In 1888 he acquired the degree of docteur-ès-sciences. From 1878 he had held an appointment as an Assistant at the Museum of Natural History, taking over from his father in the Chair of Applied Physics at the Conservatoire des Arts et Metiers. In 1892 he was appointed Professor of Applied Physics in the Department of Natural History at the Paris Museum. He became a Professor at the Polytechnic in 1895.
β) observation
observations of nature to formulate and test hypotheses. An observational bias occurs when researchers only look where they think they will find positive results, or where it is easy to record observations. This is called the "streetlight effect.
γ) photographic plates = προϋπήρχαν
δ) uranium salts = είχε πρόσβαση (προφανώς και δεν είχαν όλοι)
ε) even though they had been kept in a dark drawer Στιγμιαία τυχηματική παράμετρος
Τα βάζω σε σειρά
α)+β)+γ)+δ)+ε)= ακτινοβολία. Εαν 1 απο τα παραπάνω έλειπε το σχήμα καταρρέει. Δεν υπάρχει ερώτημα τι είναι το πιο σημαντικό διότι αποτελεί μοναδική εξάρτηση γνωρίζοντας το αποτέλεσμα. Εαν δούμε την πιθανότητα όλα αυτά να μην βρισκόντουσαν μαζί την συγκεκριμένη χρονική στιγμή καταλαβαίνουμε τον τυχηματικό χαρακτήρα. Δεν μιλάω για τύχη αλλα για τυχηματική λειτουργία στα όρια του χρόνου. Με την λογική αυτή το χρόνος είναι πεπερασμένος σημειακά (definition of event).