WorldPingResearchers created multicolored tattoo inks that are activated by different wavelengths of light, allowing people to hide their tattoos in different scenarios.
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Cool chemistry trick allows new tattoos to 'turn on and off'
Light-responsive inks could make tattoos visible on demand, but safety remains unproven
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WorldPingA team of engineers has designed a new line of multicolored tattoo inks that switch on and off with different kinds of light.
Brief by WorldPing · Original reporting by Phys.org
WorldPingA new type of ink could overcome one of the main downsides of tattoos: the inability to make them invisible…
Brief by WorldPing · Original reporting by New Scientist
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