One that was applied to the skin by wetting a sheet of transfer paper – just like a temporary ... e-tattoos so exciting is that they don’t – making them much smaller. In simple terms ...

The process is remarkably simple. Researchers map out the electrode ... To test their invention, the researchers applied ...

Andy: Today, we'll be trying out the Prinker, a device that prints temporary tattoos in seconds ... I just wanna check a small, simple design and see how the lines come out.