Wanna know the great thing about humanity? We have almost solved this problem, twice:<p><a href="http:&#x2F;&#x2F;www.redorbit.com&#x2F;news&#x2F;science&#x2F;1112882857&#x2F;new-scanning-laser-sees-object-composition-062513&#x2F;" rel="nofollow">http:&#x2F;&#x2F;www.redorbit.com&#x2F;news&#x2F;science&#x2F;1112882857&#x2F;new-scanning...</a><p><a href="https:&#x2F;&#x2F;www.researchgate.net&#x2F;publication&#x2F;231041901_Portable_LIBS_system_for_determining_the_composition_of_multilayer_structures_on_objects_of_cultural_value" rel="nofollow">https:&#x2F;&#x2F;www.researchgate.net&#x2F;publication&#x2F;231041901_Portable_...</a>