Tubes, visible in light green, are roughly seven nanometers in diameter — about two million times smaller than an ant — and several microns long, or about the length of a dust particle. Credit: Johns Hopkins University The world’s tiniest plumbing could potentially funnel drugs to individual human cells. ...
View more: 1,000,000 Times Thinner Than a Single Strand of Hair – Scientists Develop Leak-Free Nano-Pipes