Behold the periodic hair.
Researchers at the University of Nottingham created a special birthday present for Martyn Poliakoff, a professor of chemistry. It’s a periodic table of the elments inscribed on the surface of a hair from Poliakoff:
Professor Poliakoff said: “Although the application was lighthearted I felt that it enabled us to show people how such nano writing is done. Our microscopist, Dr Mike Fay, made the whole operation seem so simple and really demystified it in a most appealing way.”