Sumi-e ink painting is a traditional East Asian art that highlights simplicity and nature's beauty. It originated in China, ...

The first video shows a tattoo artist injecting black ink into Kiki’s eyeball with a syringe. After the ink is administered, water is poured into her eye, which is patted dry with gauze.

But for regular paper, water-based inks are absorbed by the paper ... And basically all inkjet printers still use a separate, pure black ink, even if it's an "all-in-one" cartridge, rather than ...