The following is an excerpt from Seven Brief Lessons On Physics, by Carlo Rovelli. These lessons were written for those who know little or nothing about modern science. Together they provide a rapid ...

You don’t need to pay hundreds of thousands of dollars or sit through hours of classes in order to understand the fundamental nature of the universe. In truth, the fabric of the cosmos is just a mouse ...

The goal of drive-system engineers is usually pretty straightforward. Specify the smallest motor and drive needed to accelerate and run a load at a required rate, and determine the braking forces ...

This course examines energy as a fundamental concept in physics and an essential element of human society. Basic principles of energy conservation and transformation are developed to understand ...

One of the most well-accepted physical theories makes no logical sense. Quantum mechanics, the theory that governs the smallest possible spaces, forces our human brains to accept some really wacky, ...

The hydrogen molecule H 2 is the simplest stable molecule, with two protons and two electrons bound together. Scientists have studied it for more than a century because it’s small enough that theory ...