Coulomb’s Law Explained
Coulomb’s Law is a basic equation of electrostatics that explains how charged particles interact. It established the beginnings of the study of electromagnetism, in a quantitative form. It is often …
The Kinematic Equations Explained
The kinematic equations describe the motion of an object in classical mechanics. In the simple case of uniformly accelerated motion in one dimension, they provide us with useful results for …
Plaster of Paris: Chemistry, Preparation And Uses
What is Plaster of Paris? Plaster of Paris, also called POP, is a versatile building material. It is can be packaged and stored easily. When mixed with water, it forms …
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Parallel And Perpendicular Axis Theorems
Parallel axis theorem and Perpendicular axis theorem are two very important theorems in the field of rigid body mechanics. They help us generalize results about moments of inertia of objects …
Vlasov Equation
Vlasov equation is a differential equation that is used to model how plasma behaves and evolves over time. The equation has applications in fields where we have to deal with …
Quantum Gravity
Quantum gravity is one of the burning field in theoretical physics that tries to describe gravity according to the principles of quantum mechanics, and where quantum effects cannot be ignored, …
Poisson’s Equation
Poisson’s equation is a partial differential equation that has many applications in physics. It helps model various physical situations. Knowing how to solve it is an essential tool for mathematical …
The Quantum Mechanical Model of the Atom
The modern understanding of the atom emerged in the early 20th century. The Quantum Mechanical Model of the atom was a major breakthrough in this process. It was a radical …
Helmholtz Equation and Its Applications
The Helmholtz equation is an important differential equation. It has many applications in various fields of physics, such as optics, acoustics, electrostatics and quantum mechanics. A lot of other related …
Black Holes Explained
Black holes are curious bodies that occur in cosmological physics. They sound almost exotic, with their unreal properties and air of mystery. Scientists studying them learn a lot more about …
Stefan Boltzmann Law
Stefan Boltzmann Law or Stefan’s law is an important law in thermodynamics. It relates the energy radiated by a blackbody to its temperature. It is called the Stefan-Boltzmann law after …
Is Time Travel Possible?
When we hear the phrase ‘time travel’, the first thing that we usually think of is travelling backwards into the past, perhaps to see our past selves. This version of …
Kirchhoff’s Laws
Kirchhoff’s Circuit Laws are two laws that help us analyze electric circuits in terms of their voltage and current. The two corresponding laws are hence called Kirchhoff’s Current Law and …
The Fermi Paradox
The Fermi Paradox is a paradox dealing with intelligent extraterrestrial life. Put simply, there is a reasonable chance that intelligent life could have evolved somewhere in the observable universe so …
Compton Effect
The Compton effect is a physical phenomenon that describes how X-rays interact with electrons. It is one of the pieces of evidence that led to the establishment of quantum theory. …
Protein Sequencing Explained
Proteins are complex biomolecules that are found in all living organisms. They perform a wide variety of functions and are versatile in nature. Their diversity in function is matched by …
The Poiseuille Equation
The Poiseuille equation (also called Hagen-Poiseuille equation) is a fluid mechanical equation that helps us understand how pressure varies in a flowing liquid. Specifically, it deals with pressure drops in …
Big Bang And Age Of The Universe
The age of the Universe has been something that fascinated all of humanity from ancient history. We have, in each of our cultures, tried to find an answer to this. …
Dirac Equation
Dirac equation is a fundamental cornerstone of quantum field theory. It helps us understand the behavior of all spin 1/2 particles with mass such as electrons, protons, and fermions (matter …
The Higgs Boson
The Higgs Boson is an elementary particle in physics. In the Standard Model of physics, it is a reason that most particles have mass. It was predicted theoretically in the …
Arrhenius Equation
Arrhenius equation is an equation in chemistry that helps calculate how chemical reactions change their speed based on temperature. The Equation The equation states that Let us understand the terms …
CRISPR-Cas9 and Gene Editing
CRISPR-Cas is a prokaryotic (loosely bacterial in non-scientific usage) immunity system that helps bacteria defend themselves from infection by bacteriophages. Bacteriophages are a kind of viruses that attack bacteria. CRISPR …
Fermat’s Last Theorem
Fermat’s Last Theorem is one of the most intriguing problem of number theory. Legendary mathematician Pierre de Fermat stated it without any proof in 1637. In its earliest form, it …
Gravitational Waves: Everything You Need To Know
Gravitational waves are one of the predictions of Einstein’s General Theory of Relativity, back in 1915. It took around a century, till 2015, for gravitational waves to actually be identified, …
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The Chandrasekhar Limit
The Chandrasekhar Limit is an upper limit on the mass of white dwarves, a type of star. A white dwarf star with a mass greater than this cannot exist stably …