23 MAY 2017 · As soon as Adolf Hitler came to power in 1933 he began to openly express his antisemite views. His aim was to force Jews to leave country by marking their life in Germany as unpleasant as possible. Jewish shop and business we boycotted, Jews were prevented from using public transport or entering public parks and swimming pools; they were banned from working as civil servants or teachers and Jewish farmers were no long allowed to own land or other property. The Nuremberg Laws of 1935 prohibited Jews from marrying Aryans and deprived them of their citizenship. Rising numbers of Jews escaped from Germany and sought refuge in countries throughout Europe, Palestine, Latin America and even China. Anti-Jewish sentiment culminated in the Kristallnacht program of 1938 when Jewish shops were attacked and destroyed and synagogues were burned down. Many Jews were killed and some (about 20.000) were sent to concentration camp. In the beginning these were used to incarcerate criminals and political opponents of the regime, then with the outbreak of World War II the camps were used to not only for detention but also for extermination-

23 MAY 2017 · Data Sheets The term “data sheets” indicates documentation that summarizes the features of a component, such as an electronic or mechanical component. Usually data sheets are written in English (or other languages) and the information can usually be found on the manufacturer’s website. A data sheet usually includes: 1. The name of the manufacturer which is found in the general description of the device; 2. The name of the component and the features which distinguish the device; 3. The description of connection pins, possible information about how the device is combined with other components and other diagrams that illustrate the device; 4. The most common uses of the component, instructions for use and other common applications; 5. Tables of maximum voltage and current parameters and other electrical characteristics; 6. Electrical features including information regarding the maximum values of voltage, storage temperature etc, which must not be exceeded, thus guaranteeing the proper functioning of the component. 7. Typical performance characteristics in the form of graph or waveform; 8. Ordering information, which does not usually includes prices; Every component has an identification code and is distinguish from other members of its “family” our on the basis of the type of technology used for its construction.

26 APR 2017 · La fine della Prima guerra mondiale genera distanze abissali tra vinti e vincitori. Mentre in Francia e Inghilterra la vita riprende il suo corso, nel resto d'Europa si assiste a crisi politico-economiche insanabili.

25 APR 2017 · All'inizio del '900 nuove potenze si affacciarono sullo scacchiere politico mondiale. Prima fra tutte gli Stati Uniti, che attraversarono una fase di forte crescita tecnologica ed economica, basata sul capitalismo privato: la catena di montaggio di Henry Ford ne è un simbolo.

25 APR 2017 · I primi quindici anni del XX secolo furono caratterizzati da un discreto benessere e da una grande fiducia nell'uomo e nel progresso, dovuti alle scoperte in campo medico e alle innovazioni tecniche e scientifiche. Simbolo di questo ottimismo furono i grandi magazzini, santuari del consumismo borghese. Dietro una facciata di prosperità si nascondevano però grandi contraddizioni: le condizioni miserevoli dei contadini, il problema dell'emigrazione e le lotte per i diritti dei lavoratori e delle donne. Forti tensioni percorrono la società dell', la Belle Époque