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Temporary scalp e-tattoos that scan brain could replace traditional EEGs forever
Now, a team of scientists has introduced a stunning upgrade. They’ve created a liquid ink that can be sprayed directly onto a ...
Business Insider7y
Take a look inside an ink factory to see how printer ink is made
The ink itself consists of two different properties, the pigment and the "vehicle." The vehicle is heated until it is runny and then the pigment is mixed in to make a liquid. The unrefined ink is ...