We humans, are limited in our perceptions ...Eyes & Brain....
We are slow in capturing images. Time it takes, to view something in
seconds, compared to other sensors, in a fast image capturing mode:
Eyes & Brain Still Camera
If the the object is faster than our Eyes & Brain, is it nonexistant ?
We are limited in the spectra we see, in nanometers, compared
Eyes & Brain Silicon
Sensor in Cameras
400 to 700
400 to 1100
Diagram taken from
"Introduction to Environmental Remote Sensing"
Center for Remote Sensing and GIS Michigan State University
David P. Lusch
Or download from this site:
Interesting links, regarding remote sensing: