In ultraviolet photoelectron yield spectroscopy testing, ultraviolet light is employed to excite photoelectrons from materials, and the resulting data is processed to obtain the corresponding spectra.

"I used to have a whole set of these, with Fijian currency on them. It's for tourists, so they have some hope of not getting ...

What do chocolate syrup, ketchup, red wine and pet urine have in common? These were poured all over a white carpet during ...