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October 23rd, 2003
Terahertz rays see into the nanoworld
A new form of imaging that could be particularly valuable in medicine can be used to see nanoscale objects, US researchers report. Terahertz (THz) promises an alternative to techniques such as X-ray, magnetic-resonance and ultrasound imaging, being potentially cheaper, safer, more detailed and more penetrating. All this makes it very attractive for studying body tissue, to look at, say, wound healing or tumor development..
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