What is Colour Force?

by :Mohammad Yousuf Mehmood

There has always been a basic concept in science that when the distance between two objects increases, the attractive force between them decreases. Whether you hold two magnets together, or observe the pull of the Sun on the planet Mercury, you find that when the objects are closer together, whatever attractive force exists between them is increased. The same goes for opposing electric charges (the electron and proton) and for the nuclear force, both strong and weak, which binds the nucleus together and takes it apart as well, respectively. With this in mind it is very hard to support the fact that with distance, the love between two individuals may increase. It is very easy to support the fact that when two people drift apart physically, their mental and spiritual connections also break. It seems inevitable that, the connections once established through years of struggle and sharing will easily wither away.

nucleon-and-QGP

And then I stumbled upon, the colour force.

The colour force is a type of strong force. While the nuclear type of strong force binds the neutrons and protons together, the colour force binds quarks (the little balls of matter that neutrons and protons are made of) together. It is the force that binds the most basic of our particles together and it is the most different of all the forces out there. Why? Because, as the distance between individual quarks increases, the colour force increases exponentially. As the quarks drift further from each other they are pulled back with enormous strength, keeping the bond between them fully intact. In fact this attraction is so strong that individual quarks have never been observed; only the ones that are bonded to each other have been seen. The implications this fact has in real life are obvious. If the most fundamental of our building blocks are held together by forces that increase when they begin to drift apart, maybe that’s what the most fundamental of our emotions does as well in binding us together.

-The writer is an Executive member of NUST Science Society, and is a Freshman at School of Chemical and Materials Engineering.

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