Hiw could one teach themselves engineering concepts?
There are several ways to teach oneself engineering concepts, including:

1. Online courses and tutorials: There are many online resources, such as online courses and tutorials, that can help you learn engineering concepts. Some popular platforms include Coursera, edX, and Udemy.

1. Textbooks and reference books: Textbooks and reference books are a great way to learn engineering concepts. You can find many textbooks and reference books in libraries, bookstores, and online.

1. Practice problems: Practice problems can help you reinforce your understanding of engineering concepts. You can find practice problems in textbooks, online resources, and engineering journals.

1. Hands-on projects: Hands-on projects, such as building a simple machine or circuit, can help you apply engineering concepts in a practical way.

1. Joining online communities: Joining online communities, such as engineering forums and groups, can help you connect with other learners and professionals in the field, allowing you to learn from their experiences and insights.

It's important to note that engineering concepts can be complex, and it may take time and effort to fully understand them. Therefore, it's important to be patient and persistent in your learning efforts.