What unconventional technique is used to detect art forgeries?

Answer 1

The unconventional method used to detect art forgeries is by using isotope analysis. It is used to detect cesium 137 and strontium 90 which is found in canvases and other art tools produced in the 50's a direct result of the nuclear testing done then.

Answer 2

X-ray fluorescence analysis is an unconventional technique used to detect art forgeries. This method helps identify the elemental composition of pigments and materials used in the artwork, providing insights into its authenticity.