Understanding Parabolic Concave Mirror in Car Flashlights At first, the idea of using a parabolic concave mirror in car flashlights may seem puzzling to many, but it is a technology that has been used for decades, and for good reasons. How it Works A concave mirror works by reflecting light rays together at a single …

Understanding the Physical Meaning of Area Moment of Inertia When it comes to understanding mechanics, it’s important to learn about various important concepts that are essential to comprehending the behavior of systems. One such concept is the area moment of inertia. What is Area Moment of Inertia? Area moment of inertia, also known as second …

Examples of Riccati Equations in Physics Are Riccati equations only of theoretical interest in physics or are there any real problems in physics that lead to a Riccati equation? Before we answer that question, let’s first define what is a Riccati equation. A Riccati equation is a non-linear first-order differential equation that has the form: …

Welcome to this article where we examine the practical, engineering applications of quantum electrodynamics (QED). QED is undoubtedly important for understanding the physical world, but how useful is it in engineering, specifically in the development of lasers? Can one rely on classical electromagnetic (EM) and optics for most of the laser development process, or is …

Question on Motion of Vehicles It is often wondered about the forces or moments that reduce the speed of a vehicle while climbing. This article will provide some insights into the physics of vehicle motion and the various factors that affect it. Understanding the Physics of Vehicle Motion Vehicle motion can be broken down into …

Have you ever slipped on an oil spill and wondered why it is so slippery compared to water? After all, oil has a higher viscosity than water. In this article, we will explore the reasons behind this phenomenon. Understanding Viscosity Before we delve deeper into the slippery nature of oil, let’s first understand what viscosity …

In a sport like cricket, where the slightest variation in ball movement can result in a wicket or a boundary, spin bowling holds a crucial place. Spin bowling refers to the art of making the ball rotate in the air or on the pitch to bamboozle the batsman. A spinner achieves this through a combination …

Everyday Phenomena for Physicists As a physicist, understanding how things work is part of my nature. While there are many books out there that introduce physics, I have been in search of something more advanced. In this article, I will provide some recommendations for resources that dive deep into everyday phenomena on the basis of …

Can You Freefall into Snow and Survive? In the Disney movie Frozen, Anna and Kristoff find themselves in a tricky situation. They have to make a jump from a height of 200 feet, hoping to land safely in a pile of snow. But is surviving such a fall really possible? Understanding Freefall Before we answer …