/learn/publications/b/blog/posts/nano-scale-counterfeit-protection-by-ibmScientists from IBM Research and ETH Zurich, arranged gold nanorods to display the STOP Ampelmann, which is 50 μm × 60 μm in size. The arrows indi- cate the traveling direction of the meniscus in the assembly process. The nanorods, which constitute ten-USTelligent Community 12