Across
- 3. Total Internal Reflection means light bounces along the inside of the cable without _______
- 5. A type of kinetic energy that is visible to the human eye, enabling sight
- 6. Light inside fiber optics travels at high speeds, making it the ________ way to send internet data.
- 7. The layer surrounding the core that reflects light back in
- 9. Before optical fibers, most telephone cables used to be made of ______ wires
Down
- 1. This machine turns the light back into sound, pictures, or computer codes
- 2. This machine turns information into light
- 4. Fibers made of glass or plastic
- 8. The inner part of each fiber cable