Stand in front of a surface coated in Vantablack and it feels like you might fall in. The nanotech material isn’t just the blackest black you’ve ever seen, it looks like there’s nothing there. A hole in space.
Step into a room painted floor to ceiling with the stuff and the world disappears. It’s a little like being in a sensory deprivation tank. Your eyes and ears strain to get a grip on something, anything