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Scanning Electron Microscopy (SEM) uses electrons rather than light to magnify parts of the body, such as the tiny hairs in the ear, hundreds of thousands of times. Images are produced by placing a thinly-sliced, freeze-dried specimen coated with 24-karat gold within the microscope and bombarding it with electrons, producing moon-like landscapes of the body.

Endoscopy relies on pencil-thin cameras that can be easily slipped into the body's orifices to peer further inside.

Thermal Imaging is a form of heat-sensitive photography that reveals the different temperatures of areas of the body. The filmmakers used the highest definition thermal imaging camera currently available.

Schlieren Photography is a way of capturing the movement of heated air. The technique images convection currents rising from the body and is used to show thermal plumes, respiration, olfaction or air flows around the body. The process uses a series of mirrors and lenses to bend a powerful light source that is passed over the surface of the body. The light rays are defracted or bent as they pass through differing air temperatures.

Time-Lapse Photography allows you to speed up a slower process, such as the fusion of parental DNA. A series of single exposures is made on film at predetermined regular intervals and then projected at normal film speeds so the process appears to be taking place at a faster rate.

Time-Slice Photography freezes a moment in time by utilizing dozens of cameras set at different angles to capture a single moment. When animated, the different angles create a three-dimensional time event, a Matrix-like effect.

Motion-Control Photography uses a computerized camera to guarantee precise repetitive moves, which allowed the filmmakers to seamlessly show the changes in Heather's body. She was filmed with the camera at regular intervals walking in the same position on a treadmill.

Magnetic Resonance Imaging (MRI) is an imaging technique used to produce high-quality images of the soft tissue in the human body, like the brain or the liver. It complements X-ray techniques, which are better for looking at dense materials like bone.

Sonography/Ultrasound are procedures that use very-high-frequency sound waves to produce real-time imagery of the internal structure of the body.
 
 
  Scanning Electron Microscope image showing inside the cochlea. The ear hairs sit above sausage - shaped cells that vibrate.
 
 
  Thermal image of Luke holding his helmet.
 
 
  A schlieren image showing the heat currents rising from Luke's feet.
 
 
 


Pictures: DCI

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Copyright © 2001 Discovery Communications, Inc.