BrainStuff is a podcast that releases short (usually under 15 minutes) episodes daily. They usually offer a short introduction to a specific topic. They often speak quite fast during the episodes, so don’t forget you can slow down the audio in most podcast apps.
BrainStuff: How Do We Define the Kilogram
How Do We Define the Kilogram
Listen to the podcast and answer the following questions.
- What happened to the platinum kilogram prototype?
- How do we now measure the second?
- Are there any other SI units that have been updated?