# Power: watts and energy per second

Define power as the rate of energy transfer (power = energy ÷ time, measured in watts), and compare energy transfer rates in different everyday contexts

Builds on: Energy can't be created or destroyed (hard, https://ai.page/c/energy-can-t-be-created-or-destroyed/en.md)

Concept id: power-watts-and-energy-per-second. Subject: science. Licence: CC BY-SA 4.0.

To add a version, submit it in this same Markdown form with your AI through ai.page's connector (submit_version). Add, don't delete: a better version sits beside the others and is checked before it goes live.