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Infrared Waves
- 1. Telephone 1. 2. 3. 4. 5. Metal or Optical-fiber cables Microwave towers Is used to transmit a Which can be either digital or Over long distances and can be sent By either Which uses Or by Which uses And orbiting A. Physical transmission B. Signal C. Satellites D. Analog E. Atmospheric transmission B D A E C
- 2. ReviewReview Radio waves Microwaves How cell phones work
- 3. Infrared (I.R.)Infrared (I.R.) More energy than micro and radio waves Shorter wavelengths Just below what human eyes can see Can’t see these!
- 6. InfraredInfrared Used for TV remotes Can’t see these!
- 9. InfraredInfrared Night vision Thermal imaging Felt as heat Warm bodies give off infrared radiation Can’t see these!