by wpengine | Aug 11, 2021
One or more atoms with the same number of protons (atomic number) but a different number of neutrons.
by wpengine | Aug 11, 2021
An ISO guidance standard for establishing interoperability among object identification systems to deter counterfeiting and illicit trade.
by wpengine | Aug 11, 2021
An ISO guidance standard for the content, security, issuance and examination of excise tax stamps.
by wpengine | Aug 11, 2021
An ISO guidance standard for the selection and performance evaluation of authentication solutions for material goods”
by wpengine | Aug 11, 2021
The result of the interaction of two intercepting light waves. Interference pigment flakes are used in colour-shifting inks and interference foils with colour-shifting properties also exist.
