The EEG tattoo’s ink is made from two polymers: poly(3,4-ethylenedioxythiophene) (PEDOT) and polystyrene sulfonate (PSS).

Samm Taylor of Tenku Tattoo in Phoenix is continuously developing new techniques for her art and work. Today is ...

Scientists have invented a liquid ink that doctors can print onto a patient’s scalp to measure brain activity.

Researchers have developed a liquid ink that can be printed directly onto the scalp to monitor brain activity, offering a ...

S ALEM — Chris Coulon’s funky, neon-bright tattoos depict everything from melting heads to ferocious big cats to sparkly ...

The best brother tattoos celebrate the unbreakable sibling bond and love. Discover ink designs that are unique and convey the ...

Blueface recently flaunted his newest face tattoo to on-again, off-again girlfriend Chrisean Rock during a jailhouse call.

Chronic Ink Tattoo opens its first studio in Taiwan, marking a major milestone in global expansion. Offering custom tattoos, piercings, and ...

Sunlight illuminates Tattoo City as Aleph Kali raises the blinds on the shop’s large windows facing Lombard and Mason streets. Historical tattoo designs plaster the walls and surround a large Rock of ...