Teaches about basic electric circuits. The course introduces charge, voltage, current and resistance. It's a gentle introduction with no prior knowledge required. The focus is to enable students to take part in solar installations. To understand the design of a new installation and troubleshoot an existing one.

You'll learn a lot about Linux maintenance. This tutorial shows how to manage Linux with its most powerful tool, the Terminal. It shows different aspects of Linux step-by-step. On the way, you'll be introduced to fundamentals of computing and essential concepts found in every modern operating system.

Tables and Styles in HTML. It's not about theory or a gentle introduction to HTML but a simple collection of examples. Your job is to re-create the example with your own code.