Quels temps font-ils ? Une introduction au temps des physiciens

Scénario : Marc LACHIEZE-REY, Etienne KLEIN et Hervé LIEVRE.

En dépit de sa familiarité, la notion de temps suscite nombre de difficultés dont le nombre grandit à mesure que l'on tente de l'analyser. Par exemple, il est très difficile de définir le temps. Pourtant, les physiciens sont parvenus à faire du temps un concept opératoire.

- Qu'est-ce que le temps ? Le temps est d'abord un mot indéfinissable.
- Le temps existe-t-il ? Quelle sorte d'existence fa
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Free course materials, including syllabus, lecture notes, assignments, audio and video from University of Notre Dame professors. Notre Dame OCW is a free and open educational resource for faculty, students, and self-learners throughout the world. There is no enrollment or registration process.
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Lesson #099, Thursday

in + il = nel

Quelle parole sono nel dizionario. = Those words are in the dictionary.

in + lo = nello

I gatti non sono nello zoo. = The cats are not in the zoo.

in + l' = nell'

Davide e' nell'ospedale. = David is in the hospital.

in + i = nei

Gli alberi sono nei parchi. = The trees are in the parks.

in + gli = negli

C'e' carne negli spaghetti? = Is there meat in the spaghetti?

in + la = nella

Il piede grande e' nella
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