Slide 8 of 57
Notes:
Other images werenít even images to start with. A weather map showing the temperature of US wasnít captured by any imaging device, but using thermometers. But the information is best represented in an image form.
Some imaging systems donít even use electromagnetic energy like light, x-ray, infrared, or microwaves. Ultrasound imaging use sound energy to get a clear view of a developing fetus.
Radar use a wavelength in the microwave region to get an accurate picture of precipitation like rain and snow.