This microscopic scale and sensitivity allows the sensor to map a high-resolution image of electrical charge that occurs over the surface of a source material (for example a human finger), when it makes contact with a thin insulating surface (ie a plastic surface).

FORBES: Can Forensic Scientists Tell How Old A Fingerprint Is?

When I gave a TEDGlobal talk on femto photography in June, I began with a reference to Doc Edgerton, a very popular MIT professor of electrical engineering who, in 1964, wowed the world with an image of a bullet in midair, having just passed through an apple.

CNN: A camera that can see around corners

Within Korea University, the School of Electrical Engineering's Intelligent Signal Processing Lab (ISPL), headed by Professor Ko Hanseok, specializes in both image and speech processing.

CNN: The story