Fresh research into the Shroud of Turin has reignited the debate over whether it’s an authentic relic or a medieval creation. Scientists examine new testing methods, including advanced imaging and ...

The white of zinc is represented by only one particle. There is one paint film of titanium dioxide and nine other micro-plaques, micro-scales and micro-balls of this pigment. All these particles ...

ABSTRACT: We have explored by optical microscopy and scanning electron microscopy coupled with energy dispersive X-ray about one hundred and fifty particles of white pigments located in a sample of ...