Clean Energy & Climate Transition 18 Oct 2026, 08:00 PM IST
Light-Activated Tattoo Ink Points to a New Class of Smart Materials
Researchers have developed an โinvisibleโ tattoo ink that can be switched on and off under different light conditions, opening a novel path for secure marking, anti-counterfeiting and bioresponsive design. While the technology is still early, it highlights how materials science is converging with optics to create surfaces that can change appearance on demand.
By RDU Global Wire5 min read
