Top Ten Damn Good Reasons to Study Physics

As new discoveries are made in the development of science, the seemingly fundamental concepts of the sciences are constantly being broken down. Models have been scrapped, adapted, and replaced, and it happens all the time. There have been major changes to what was previously a global consensus, with the imaginative and persistent minds of the physics community being responsible.

For instance, in the 16th century, Huygens went head-to-head with Newton over the mechanics of light. Newton firmly believed that light was made of particles, while Huygens said it was a wave. Few would challenge Newton's influence, having developed the fundamental laws of classical mechanics. However, the model changed completely when Thomas Young diffracted light through a double slit, observing distinct interference patterns that could only be explained with waves. Yet, this model was contradicted again in 1901 when Max Planck, working to make the light bulb more energy-efficient, pictured light as a stream of energy transferred in quantized "packets," or quanta, depending on its frequency. This was later demonstrated through the photoelectric effect by Albert Einstein.

We now observe properties of light in both forms, and there are some properties of EM radiation that can be explained with one model but not the other. Returning to Young's interference with corpuscular light, Heisenberg's Uncertainty Principle comes into play, as does the Many Worlds Theory, in which the nature of each photon, or light particle, depends solely on the mathematics of a wave function. The photon exists in two parallel universes simply because of this!

In spite of the theories being proved and disproved over time, they are reconsidered. It's exciting how our understanding of how the universe works is never complete, as we are always making a difference in how we look at it. Thinking outside the box has enabled us to postulate ideas that seem unrealistic, but we often use them to explain... more

Without our understanding of physics, we would have died out as we evolved. Physics is more than just making 3D cinema screens and radiotherapy. It's constantly changing our technologies.

Recently, scientists have been working with single nitrogen vacancy impurities in the giant covalent structure of carbon-12 in diamond to make a quantum information system. This method improves on the one with cold atoms, as it can be done more efficiently, provided that there is a suitable network of entanglements connected by oppositely polarized photons. That's an example of how modern innovation is constantly changing. Thinking of the best solution to a proposal can take research from many different fields of science, and it's wonderful how it all pieces together.

In primary school, you are told that everything is made of particles. This is, in essence, true, but they tell you nothing about the fundamental properties of them, and neither does it distinguish one kind of particle from another. Later, you are told that everything is made of atoms and that these are fundamental particles that cannot be divided. Wrong. Atoms consist of fundamental electrons, which orbit in discrete energy levels around nuclei. The nuclei, in turn, are made from protons and neutrons, and these particles are made of fundamental quarks.

Before you call this chemistry, or stamp-collecting, you may ask your teacher why the protons stick together despite being positively charged and repelling each other. Why does it only hold for certain nuclei? Your teacher will tell you that this is due to the strong interaction, which, unlike electromagnetism, has a finite range, so it is only stronger in apparent magnitude at small separations. But why does the strong interaction have a finite range? The gluon, which is the exchange particle for this, has no mass, so why can it only go so far? The gluon does, in fact, have eight different forms of color charge, which are associated with the types of quarks with which it is mediated. Separating a gluon from a quark thus requires a form of potential energy, such that moving too far produces the energy to create a quark-antiquark pair. That's why pions mediate the interaction at greater distances.

When you scratch the surface of a subject, like you do in school, you miss out on a lot more fascinating information. Where physics is concerned, I can guarantee that you'll stumble upon something unthinkable given the information you were taught. Something may have been boring before because it came intuitively, but that completely changes when you actively study it.

There is a long list of unanswered physics questions today, as there were hundreds of years ago. When the Ancient Greeks observed the stars, they wondered what made the stars move the way they do. As they couldn't make the right observations, they assumed they were at the center of everything. They couldn't explain why the orbits of certain objects, which turned out to be the planets, looped in their paths across the sky.

Copernicus later solved this with the idea that the Earth orbited the Sun, but that left us wondering where the Sun was relative to the center of the universe. It was not until Hubble when we could confirm that the universe has no center, as space expands in all directions at the same rate. However, that leaves the universe in a high-entropy state that doesn't comply with the entropy of the Big Bang, which suggests that the Big Bang may not have been the very beginning of the universe.

Every question answered asks at least one new one. Is that not radical?

There is so much out there for you to discover if you research it. With research, you give yourself a fantastic opportunity to find out something you wish to know more about. Where physics is concerned, research can easily lead to coining something new altogether.

I'm currently doing research on dark energy and the prospect of a fifth fundamental interaction of physics, known as quintessence, being responsible for the evolution of the universe. It's fascinating because I don't know what I could uncover next. You get to find out more and more about the development of the cosmological constant and the hypothetical properties of quintessence, often tying in with other fields of science to support your arguments.

As physics spans so much, I find that my curious mind wanders, and I look into something completely different, like chronal spacetime fountains. However, I stay on track as well as I can. Research inspires you to make your career in physics because even the experts won't know for certain what to expect from it. They can come up with something completely revolutionary, which will puzzle everyone for the next fifty years, perhaps longer. Research is just the first step to changing the world.

Naturally, a physicist needs good problem-solving skills to do their work. The ability to think outside the box is crucial to making a strong influence among your peers, explaining new observations, and creating new theories.

Even if you don't pursue physics, your IQ can increase as you study it. In fact, many economists, lawyers, and politicians have physics degrees, as they have been trained in critical thinking skills.

Mathematics is a universal language, and it is the language of physics. Is it not beautiful how we have been able to quantify the properties of nature?

We have mathematical formulas, for instance, that relate energy to mass, discharge current to capacitance, and probability amplitudes to spatial and temporal wave parameters. Creating new mathematical relations between these is simply an application of a mathematical trick. Whether or not the mathematical model is feasible depends on your academic background, which is why there's so much debate over string theory.

One day, a leading researcher in the field will make a breakthrough, even if a lot of it won't happen in my lifetime.

Physics is one of the most employable subjects there is. You don't necessarily have to be a research scientist (I do, because it's awesome), as you instantly become attractive to a good range of jobs on the market.

With that being said, why would you get a mediocre job at an electronics factory when you can conduct your own research into something new?

This is more than just helping a doctor fix the MRI scanner. It's about developing new technologies and ideas for them!

Recent research has gone into developing quantum resonating systems in impurities in diamond. These can hypothetically be used as simultaneous tracers and nanoscale MRI scanners, with a resolution much greater than a modern MRI machine.

Theories have also recently coined quantum biology, in which the energy taken by a plant during photosynthesis is treated using the Uncertainty Principle to determine how that energy may be used in the plant. This just goes to show its superiority to biology.