Inkjet printed colloidal photonic crystal microdot with fast response induced by hydrophobic transition of poly( N -isopropyl acrylamide) - Journal of Materials Chemistry (RSC Publishing) DOI:10.1039/C2JM33411A
Inkjet printed colloidal photonic crystal microdot with fast response induced by hydrophobic transition of poly(N-isopropyl acrylamide) - Journal of Materials Chemistry (RSC Publishing)
Why printers add secret tracking dots - BBC Future
Machine Identification Code - Wikipedia
App Masks Hidden Printer Tracking Dots to Keep Whistleblowers Safe