Light-sensitive tattoo ink may allow temporary visibility control
Researchers developed a type of tattoo ink that can be made temporarily invisible using light. The method involves a chemical reaction triggered by specific wavelengths of light.
The finding is early-stage and limited to laboratory tests, but it suggests a potential new approach to tattoo design.
method used
The ink contains compounds that change color when exposed to light, allowing for temporary visibility adjustments.
current limitations
The technique has only been tested in controlled environments and has not yet been applied to human skin.
Common questions
Can this ink be used on human skin now?
No, the technique has only been tested in laboratory conditions and has not been applied to human skin.
How does the light affect the ink?
Specific wavelengths of light trigger a chemical reaction in the ink, causing it to change color temporarily.
Sources
- Tattoos could be turned on and off with light By James Woodford, New Scientist · newscientist.com
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