Ecology

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Why do retaining structures and walls collapse after heavy rains? Causes of collapse

During heavy rain events, the following may occur: collapse of retaining structuressuch as walls And bulkheadswhose aim is to contain the ground behind them. In fact, there is a direct link between rains and collapses… but why? In this article we will first clarify what is meant by support works, what are the main types and why they could collapse ...

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What’s the difference between a 33 rpm and a 45 rpm vinyl record? All the differences

Anyone who has ever tried to delve into the world of vinyl records will certainly have come across the terms 33 laps And 45 rpm. These terms – which can create a bit of confusion for neophytes of the genre – indicate the number of revolutions made by the disc in one minute and, consequently, the rotation speedwhich is greater ...

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What is a cross sea, when do square waves form and why can they be dangerous?

Baleines Lighthouse, Saint–Clément–des–Baleines (Charente–Maritime), France. Credits: Michel Griffon Square waves are formed when two wave systems intersect, creating a sort of wavy pattern on the surface of the water. This phenomenon, which is also known as “cross sea“, can be dangerous because it creates rip currents that put boats at risk, increasing the likelihood of accidents. In Italy it is ...

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The risks for those who manage an e-commerce and how to defend yourself by selling on the Internet

The online scams pose a growing threat to online sellers. The explosion of e-commerce — which increased by as much as 10 percentage points during the COVID-19 pandemic for many product categories — has brought with it new opportunities, but also new potential risks, even for those who are about to sell products and services online. Fraudsters have become increasingly ...

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What is the difference between steel and iron?

The incorrect use of words is widespread iron and steel, both in the everyday context but also in the specialist or technical one. In fact, it is often easy to create confusion between what is essentially steel but is wrongly labeled as iron. From a technological point of view, we are talking about two completely different materialsalthough they appear to ...

preistoria sintesi riassunto

What is meant by Prehistory and when did it end? From Homo habilis to the invention of writing

With the term “Prehistory” conventionally indicates the longest period of time in all of human history. Generally it began with the first traces of the presence of the genus Man on our planetapproximately two million years agoand by convention it ended in Eurasia between the 4th and 3rd millennium BC with the invention of the writing. Prehistory has also been ...

Apple Intelligence

Apple Intelligence: Availability and Features of Apple’s Artificial Intelligence

Apple Intelligence. Credit: Apple. THE’Apple “It’s Glow Time” eventheld yesterday at the Steve Jobs Theater from Cupertino, in addition to revealing the new features of the new iPhone 16 (and other products from the “bitten apple”) has brought the spotlight back on AppleIntelligencethe artificial intelligence system of the company led by Tim Cook available on compatible devices from next month. ...