Fig. 3
Fingerprints developed on aluminium foil after submersion in tap water for 1 day (top left), 12 days (top right), 22 days (bottom left), and 30 days (bottom right).
Fig. 3 | Scientific Reports
Fingerprints developed on aluminium foil after submersion in tap water for 1 day (top left), 12 days (top right), 22 days (bottom left), and 30 days (bottom right).
