Students learn to distinguish between scalar and vector quantities. Introduction to Vectors: Students learn to distinguish between scalar and vector quantities and how to state the magnitude and ...

A vector can be represented by a line segment labelled with an arrow. A vector between two points A and B is described as: \(\overrightarrow{AB}\), \(\mathbf{a}\) or \(\underline{a}\). The vector can ...

Vaccines are one of the most critical medical advancements in human history. This was recently demonstrated with the international coronavirus pandemic. The highly transmissible COVID-19 virus ...

Regardless of their origin and family, viruses have evolved elegant strategies to reach and enter specific target cells where they seize the cellular machinery to express viral genes and assemble ...