✉news ScienceScience first seen 16 h ago, last 1 h ago, peak #10
New 'switchable' tattoos can turn on and off
Original: Cool chemistry trick allows new tattoos to 'turn on and off'
Researchers have developed a tattoo technique using chemistry that lets the ink switch between visible and invisible states, effectively turning the tattoo on and off. The trick relies on tattoo inks that respond to light or other external triggers, allowing body art that can be displayed or hidden at will. Coverage highlights potential uses for privacy and temporary expression, though wider questions about safety and availability remain open.
Why now: The novelty of reversible, switchable tattoo ink is drawing attention as an unusual advance in body art technology.
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Evidence
- Cool chemistry trick allows new tattoos to 'turn on and off' · Live Science
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