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October 25th, 2007
Forensic detectives get a new look
Invisible traces of bodily fluids left behind at crime scenes can now be easily detected, thanks to nanocrystal eyeglasses developed by a group of Thai scientists.
The eyeglasses will enable forensic teams to clearly see fluids such as blood, saliva, lymph and sperm, which are vital clues in helping the authorities track down crime perpetrators, said Jiti Nukaew, director of King Mongkut's Institute of Technology Ladkrabang's (KMITL) nanotechnology research centre.
To create the special eyeglasses, scientists applied nano crystallised indium oxynitride to glass or plastic lenses to create special lenses capable of filtering varying wavelengths of light.
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