Nick van Remortel demystifies natural unit systems — and advises what to do when you see a mass expressed in GeV. Several unit systems for describing the natural world exist. The International System ...

Physics is one of the core subjects in the JEE (Main) Examination. Students must be thorough with the physics syllabus to be aware of the potential questions that can be encountered in the JEE (Main) ...

Students are introduced to the metric system. Introduction to Chemistry continues with a discussion of the Metric System: length, mass, volume, time and temperature are defined, and students learn the ...

Here's a primer on physical considerations for sizing motors and drives. The goal of drive-system engineers is usually pretty straightforward. Specify the smallest motor and drive needed to accelerate ...