For the white Talbot-Runhof dress, a base fabric was embroidered with sequins, sewn to the dialysis-machine filter fabric and then bathed in a liquid that dissolved the base, leaving fringes of sequins attached to the filter-cum-dress.

WSJ: Polyester Is Back in Style at Alexander Wang, Talbot Runhof, Akris

By passing light from the palimpsest through a filter made up of liquid crystals, the researchers can adjust the wavelengths of the pictures that result by 10 billionths of a metre at a time.

ECONOMIST: The Archimedes palimpsest