Ecology

amerigo vespucci venezia

The Amerigo Vespucci concludes his world tour in Genoa: all the stages of the school ship

The Amerigo Vespucci ship in Venice. After a journey by sea around the world, the school ship Amerigo Vespuccithe oldest ship of the Navy Military Italianreturns to our country by concluding his tour Lasting almost two years: the historic sailing ship, sailed from Genoa on 1 July 2023 will return you on 10 June 2025, on the occasion of the ...

carne di squalo Shark Preyed

Shark meat in Italian supermarkets: Italy is the third importer worldwide

Between the 2009 and the 2021 Italy has imported about 98 000 tons of products derived from shark for an estimated value of 377 million dollars, resulting in the Third country in the world (and the first in the European Union) for volumes and value of this trade. In the Italian supermarket fish desk they usually appear for example green ...

problema del taglio unico

Origami plans and a single cut problem: how to get figures with a single cut

The single cut problem It is a geometric mathematical problem that explains how it is possible to obtain some origami plansthat is, complex figures by cutting a sheet along a single line. They are also called floors and their invention dates back to 1721, when the Japanese mathematician Kan Chu sen presented them as stratagems to test mathematical intelligence. Let’s ...

freedom flotilla coalition

Israel attacks Freedom Flotilla’s ship: what the UN Convention on Sea Right says

The crew of the Madleen ship of the Freedom Flotilla Coalition during the attack by the Israeli marine forces. Credit: FCC The Israeli Navy intercepted and attacked the ship Madleena boat managed by the organization Freedom Flotilla Coalition And started on June 1 from the port of Catania to the Gaza Strip with the aim of supplying the Palestinian population ...

exit poll

Exit poll and surveys on the vote: how they are made and how reliable they are

Whenever in Italy we are called to votewe start talking about exit poll and of Forecast on the final vote immediately after the closure of the polls. This will also be the case in the case of the referendum of 8 and 9 June, which for 13 Italian municipalities also coincides with the administrative elections. But what exactly these forecasts ...

theremin

What is Theremin, the musical instrument that is played without contact

The Theremin It is one of the most fascinating and mysterious musical instruments in history. Not only is it one of the very first electronic toolsbut it is also the only one in the world playing without ever touching it: a musician, with the hands alone, can shape the air and the soundlike a magician who draws invisible notes. The ...