Author: lujhei

  • How I teach grammar: Pt 2 Using Commas

    In the first part, we covered the basics of complex sentences: Independent and Dependent clauses. We learned that dependent clauses cannot stand on their own and must be attached to an independent clause to form a grammatically correct sentence. In this section, we will begin covering the use of punctuation…

  • How I teach Algebra: Pt1 Introduction

    Until now, your math class has been working with numbers. These numbers have taken many different forms: In math, we call these numbers “constants.” Algebra introduces a new concept called “variables” that we use letters and names to represent: x, y, z, a, b, c, k, etc). These variables are…

  • How I teach grammar: Part 1–The Tree Analogy

    How I teach grammar: Part 1–The Tree Analogy

    Grammar can be a very difficult topic to learn and teach. While we are all expected to use commas, periods, colons, and Em-dashes correctly from the day we learn to write sentences, we are rarely taught the specific rules (and why they exist). This is in large part be cause…

  • Mental Stance

    In martial arts, it is wise to put yourself in a stance. A stance does more than signal to others, and yourself, that you are prepared for physical altercation; a stance prepares you to defend against certain attacks, and prepares you to perform certain actions. For example, we can look…

  • Knowledge Management—Keeping information available

    Case Study in Knowledge Management: Brazilian JiuJitsu club Knowledge management is a relatively new term in business management. It essentially refers to the process of maintaining and keeping organizational knowledge as old employees leave and new employees joins. Knowledge—both discrete (knowing about something) and procedural (knowing how to do something)—exists…

  • Why is it called “Metis Archive”?

    The Metis Archive is named in reference to the Greek word “μήτις” (roughly pronounced “May-tis“) meaning wisdom, skill, and craft. The term is also in reference to the mythological greek goddess, Metis, the goddess of wisdom who lives in Zeus’ head and provides him advice and counsel. Essentially, the “Metis…

  • What is the Metis Archive?

    Welcome to the Metis Archive. My name is Yun, and I’ve been entranced by the human mind all my life. I’ve received a doctorate in cognitive science from an Ivy league institution and worked professionally in education for over two-decades. I’m also a lifelong martial artist, and often use it…