as light meets matter under scrutiny

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"as light meets matter under scrutiny

Evidence that painting is fake

polyene UV absorbance of 0.6

underdrawing

Evidence that painting might be authentic

characteristics of his constructivist phase

many of the same visual elements

absence of elements not available at that period

electromagnetic spectrum

IR radiation

visible radiation

reveals colors

ultraviolet

can't see above 50 microns

spectroscopies

fluorescence

analyze fluorescence of a sample

absorption

reveals age of material based on absorption rate

X-rays

can see through larger layers