#### Vectors are a prime example of the elegance, beauty, and fundamental usefulness of mathematics

Source: Ted Talk

**Definition of vector**: A quantity that has magnitude and direction and that is commonly represented by a directed line segment whose length represents the magnitude and whose orientation in space represents the direction; *broadly* : an element of a vector space.

#### Why do mirrors flip horizontally (but not vertically)?

Why do mirrors flip horizontally (but not vertically)? [...]

#### The Equilibrium Price and Quantity

What is Equilibrium Price? Source: https://www.mruniversity.com Do you know [...]

#### Study smart – Feynman Technique

Cut your study time using the Feynman Technique. [...]