Learn It From A Layman

We discuss the basics of units of measurement. What are the international standards for measuring. We cover the seven basic units and some derived units. How is a meter defined? Is the standard kilogram still a large chunk of metal? Is a kilogram measuring mass or weight? What is a joule? What is a gigawatt? Did Back to the Future contain scientific inaccuracies? Come find out how measurement units can help you understand the physical sciences.