Physics

Posts in Physics category.

The Wild World of Momentum Preview

The Wild World of Momentum

A slow-moving truck carries more momentum than a speeding bullet. A flea jumping backwards makes a baseball player recoil. Rockets push themselves forward in total vacuum. All of it boils down to one simple quantity - mass times velocity - yet the consequences feel anything but simple.

The Hidden Physics of Pendulums Preview

The Hidden Physics of Pendulums

Picture 21-year-old Galileo in 1583, bored during mass in Pisa Cathedral. A chandelier sways after someone bumps it. He has no watch, so he times the swings against his own heartbeat.

How to Use Ohm's Law Calculators Preview

How to Use Ohm's Law Calculators

In 2025, the field of circuit design is evolving rapidly through innovation, from small AI-wearable solutions to flexible sensing capabilities for electric vehicles. The global electronics market reached $1.1 trillion in 2025, propelled by smart grids and energy-saving homes needing precise control of power.