Across
- 4. an acronym for Light-emitting diodes
- 7. a laser produces intense light ofa very small range of ____
- 9. these use mirrors to reflect light ____ ____
- 10. Some light technologies use light to do this
- 13. allow us to see very small objects
- 14. A thin wire an electric current passes through
- 15. this can melt and cut different materials
Down
- 1. this is a technology that uses electromagnetic waves to transmit data
- 2. Fluorescent coating converts the ____ ____ into visible light
- 3. night vision goggles can emit this
- 5. this uses light in the form of radio waves
- 6. these instruments us mirrors and lenses to control the path of light
- 8. This is one form of light technology ____ ____
- 11. A thin transparent glass thread ____ ____
- 12. Doppler Radar measures this