tuphy resteemedmuphy (61)in #openschool • 8 years agoThe OpenSchool is open: the first trial lesson at a school in Nigeria is a success!Yesterday, I had the honor to teach Physics (Energy and Work) to a class located in Nigeria. The first lesson…tuphy resteemedmuphy (61)in #fr • 9 years agoLe magnifique Delta du Danube - L'histoire d’une fusion avec la nature.L’histoire que je souhaite partager avec toi, cher lecteur, est celle d’une journée extraordinaire au fin fond du…
