On the monitor, which is connected to the lab equipment, it is possible to see many gold flakes moving and changing to colours like red and green against the golden yellow background. The colours reveal the forces at play. Credit: Chalmers University of Technology, Mia Halleröd Palmgren When dust clings to a surface or a gecko walks across a ceiling, it happens thanks to what scientists call "nature's invisible glue." Researchers at Chalmers University of Technology in Sweden have developed a