The world's smallest periodic table etched onto a single hair

(Nanowerk News) Tables charting the chemical elements have been around since the 19th century– but this modern version at the webiste The Periodoc Table of Videos has a short video about each one.
The site has also started a new series – The Molecular Videos – featuring our favourite molecules and compounds.
Their latest addition is a video where researchers at the Nottingham Nanotechnology and Nanoscience Center etch a tiny periodic table onto a hair belonging to chemistry Professor Martyn Poliakoff:
Source: The Periodoc Table of Videos