The following links each provide a perspective of energy and how you can use simple math to evaluate its benefits:
- Introduction to Energy
- What’s a Joule?
- Common energy values. A background.
- Non-renewable energy reserves
- Energy from our star, the Sun.
- Checks and balances of energy
- Energy content of some common items
- Energy conversion table.
Or you can simply use the drop down menu at the top of the page.