Beyond Light: The X-Ray Photography of Nature

Everybody knows that you need light to be able to see things. But is that really true? The doctor “sees” the unborn baby by using ultrasound. And in a slightly different way so does the bat. The air traffic controller “sees” the oncoming plane by using radar. Soldiers use heat wave to “see” the hidden enemy. Then of course the artist “sees” by using his imagination. And there are more examples: the scanning microscope uses electrons to “see” very small animals, etc. So, seeing with light is...