Thai researchers succeed in producing gold pearls
NAKHON RATCHASIMA, November 29 (TNA) -- A team of Thai researchers here has succeeded in changing the colour of freshwater pearls from white to gold through the use of synchrotron light for the fir
NAKHON RATCHASIMA, November 29 (TNA) -- A team of Thai researchers here has succeeded in changing the colour of freshwater pearls from white to gold through the use of synchrotron light for the fir