All Stories by Jennifer Look
- Physics
Understanding light and other forms of energy on the move
Radiation needn’t be scary, especially if it allows us to see our family or use our cell phones. Here’s a guide to light and other types of emitted energy.
- Physics
Explainer: Understanding waves and wavelengths
A wave is a disturbance that moves energy from one place to another. Only energy — not matter — is transferred as a wave moves.
