The definition of a kilogram is debatable. An informative video (as part of a larger playlist) shares the problem with the current definition of a kilogram. It explains why the concept became a challenge to explain as well as multiple scientific endeavors to redefine the standard of measurement.
- Learn about the redefinition of the kilogram in 2018
- Discuss the graph at 5:40 in greater detail
- Relies on prior knowledge of Avogadro's constant
- Connects history, math, and science
- Includes closed captioning in 17 languages for ease of note taking
- Introduces more than one famous scientist