WebWilhelm Ludwig Franz Hallwachs (9 July 1859 – 20 June 1922) was a German physicist. (en) Wilhelm Ludwig Franz Hallwachs (Darmstadt, 9 luglio 1859 – Dresda, 20 giugno 1922) è stato un fisico tedesco. Nel 1888, riprendendo gli studi di Hertz risalenti all'anno precedente, scoprì l', chiamato in suo onore "effetto Hertz-Hallwachs". WebDifferent e Comieco inaugurano la Cartvard University: lezioni divertenti sul riciclo di carta e cartone A Milano e provincia arriva Disegniamo l'arte di Abbonamento Musei. 18 le …
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