# Physical Science

## Archimedes’ Screw

The Archimedes’ screw, also known as the water screw, screw pump, Archimedean screw, or Egyptian screw, is a machine used to pull water from a low-lying water body. Water is …

## Quantum Computers Explained

Quantum computers are computers which uses quantum phenomena such as entanglement and superposition to perform computing functions. Where a traditional computer uses bits, which are strings of numbers (think of …

## Maxwell Boltzmann Distribution Explained

The Maxwell-Boltzmann distribution is a type of probability distribution named after James Clark Maxwell and Ludwig Boltzmann. It is an integral part of statistical mechanics. The distribution was first proposed …

## Wheatstone Bridge Explained

The Wheatstone Bridge is a special kind of electrical circuit used to measure a resistor’s resistance whose value we do not know. The wheatstone bridge circuit diagram is as follows: …

## A New Way To ‘See’ The Elusive Dark Matter

Astronomers have found a new way to see the mysterious dark matter haloes that surround galaxies. They report that this new method is 10 times more accurate and precise than …

## 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 …

## 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 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. …

## 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 …

## 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 …

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