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This is to do with the electrons in the metal atoms. When a piece of the metal is heated, if there is enough energy supplied to the atoms, their electrons are excited and are promoted (jump up) to higher ene...

When writing your personal statement, you want to show the universities that you have researched them in addition to the course you are applying for. Furthermore, you want to make it clear why you want to be...

As Nietzsche states in Thus Spoke Zarathustra, mankind is placed in between a monkey and the Overman. Moreover, he states that the Overman is the final aim of men, and the process will go through 3 stages an...

Firstly, it's important to have a bank of topic-specific vocab, which would demonstrate a wider and higher-register vocabulary level. During lessons, keep vocab lists of new words and arrange them by topic, ...

The photo-electric effect is the process in which a metal will emit electrons when light of a sufficiently high frequency is incident upon it, Before Einstein's description of the photo-electric effect the o...