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Showing posts from July, 2020

One of the rarest metal:

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   Rh 45: From Yuviverse, Knowledge is social power.   Hello everybody, I am back with an enticing topic for Yuviverse. So let’s begin, shall we? I studied a topic a few years ago in school. Our topic was based on metals. In that, our teacher mentioned a little bit about one of the rarest metals on Earth. That, you might have guessed by the topic’s name, is Rhodium. Rhodium is a silver-white metallic element that is highly reflective and resistant to corrosion. It is considered well above gold or silver as it is the most valuable, precious and rarest metal in the world. The name rhodium comes from the Greek word “rhodon,” meaning rose, named for the rose-red colour of its salts. Now, you may be thinking what is so interesting in rhodium and how it is so precious? Well, I am going to explain it to you. Rhodium is one of the six platinum group metals: platinum, palladium, rhodium, osmium, iridium and ruthenium. It is also classified as a noble metal, meaning th...

Ancient Rome

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The Roman Empire: From Yuviverse,   Knowledge is social power. An empire is made up of many different countries ruled by one person-the emperor. Rome in Italy was once the  heart  of a great empire. It became rich and powerful, ruling more than 50 million people around the world. For a long time, Rome was ruled by kings. It became a republic – a state without a king- after many years of fighting. The Roman Empire was the post-Republican period of ancient Rome. An army general called Octavian took power and became the first Roman emperor, bringing peace to Rome. Octavian also is known as Emperor Augustus Caesar became the first Roman emperor in 27 BC.   In the Roman Era, the Romans invented many things useful to mankind today such as; concrete, arches, aqueducts, etc. Do you know what are aqueducts? An aqueduct is an artificial channel for conveying water, typically in the form of a bridge across a valley or other gap. The Romans had also built the first-ever “s...