How many energy changes are taking place here? | Image source: commons.wikimedia.org
Energy exists in many forms, and can be found everywhere from the cells in our bodies and the molecules in our food, to the waves in the ocean or the swings at the park.
When we talk about “energy”, we often think of what we use to heat our homes, create electricity and power our technology. Scientists in this zone work with energy in lots of ways, and at many different scales, from tiny molecules to jet engines.