X-Message-Number: 21990
Date: Sun, 15 Jun 2003 10:31:03 -0700
From: James Swayze <>
Subject: Lasers take 3D brain scans


Lasers take 3D brain scans
Infrared light probes tissue a slice at a time.
10 June 2003


A new technique for probing tissue samples with lasers could give 
researchers easy access to three-dimensional images of brain samples and 
pieces of other organs.

The system could replace the current methods of imaging soft tissue, 
says one of its developers Jeff Squier, a physicist at the Colorado 
School of Mines. Typically, samples are frozen, sliced and dyed, before 
being examined under the microscope. This process can distort key 

Still destructive but it's a step.


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