X-ray

"Naked scanners" being used to research mummies

A new use for airport screening technology

Rembrandt under X-ray at the British Museum

Medical technology is being utilised to obtain clear images of watermarks

Rembrandtarchive

X-ray techniques date Rembrandt prints precisely

“In Sotheby’s N.Y. last May 28 out of 80 prints were later impressions”