# Communication with Light & Sound

Design and build a device that uses light or sound to solve the problem of communicating over a distance

Builds on: Light & Seeing in the Dark (hard, https://ai.page/c/light-and-seeing-in-the-dark/en.md)

Concept id: communication-with-light-and-sound. 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.