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To understand what I’m about to tell you, you need to do something. You need to believe in the impossible. Can you do that? Good.
From time to time, the concept of ‘matter’ is changing. Every new idea or conception would have been like a dream before. But the dreamers? They never stop dreaming. John Dalton dreamt of an extremely small undivided particle. Why does not water admit its bulk of every kind of gas alike? This question I have duly considered and though I am not able to satisfy myself completely, I am nearly persuaded that the circumstances depend on the weight and number of the ultimate particle of several gases.
Then day by day, the dreams got bigger, and the particles got smaller. The smallest can now be divided into smaller size too. Some of the small particles are called fundamental particles. And some of them bound together to form composite ones. Some can be formed in high-tech lab. They are called particle collider. In particle physics, one gains knowledge about elementary particles by accelerating to very high kinetic energy and letting them collide. Largest of them is Large Hadron Collider. With sufficient energy, a reaction occurs that transforms the particle into another particle. Now, let’s stop here. Why should we do such a thing in the first place? What are the benefits? Well, some of them are searching for particle behavior in comparison with standard model, a source of dark matter, the cause of matter-antimatter asymmetry in the universe and so on. That’s a lot of searching! But study of atoms eventually led to the discovery of nuclear power. The potential for a clean and safe energy still exists. Besides that, measuring the size and structure of proton, understanding the manner in which cosmic rays work, confirming the existence of quark-gluon plasma and measuring its properties are some of their work too. Higgs-Boson particle is such a discovery of LHC.
Quantum mechanics was developed about a century ago. At that time, it was full of interesting scientific puzzles which had no practical application. About fifty years ago, transistor was constructed which was only possible via an understanding of quantum mechanics. The transistor is the core component of all computer chips. So in order to do something big, sometimes you have to dream small, think the impossible.
Can you do that?

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