Related by context. Frequent words. (Click for all words.) 53 vortices 53 magnetic flux 53 filaments 52 dye molecules 52 helices 52 whorls 52 silicon atoms 51 antiprotons 51 nanoribbons 51 pentagons 51 exciton 50 flagella 50 gold nanorods 50 iridescence 50 magnetic fields 49 scanning tunneling microscope 49 plasmons 49 nanoscale structures 49 graphene sheets 49 singularities 49 lattices 49 biological molecules 49 nanoscopic 48 knotted 48 chromophores 48 Brownian motion 48 spacetime 48 gravitational lensing 48 terahertz radiation 48 electron spins 48 macroscopic 48 striations 48 galaxy formation 48 SWNTs 47 Metamaterials 47 excitons 47 symmetries 47 photonic crystals 47 electron beams 47 fibrils 47 quantum entanglement 47 perfectly symmetrical 47 actin filaments 46 filament 46 geometrical 46 topological 46 quantum computation 46 high temperature superconductors 46 microstructures 46 lattice 46 alternating layers 46 positron 46 phonons 46 oscillatory 46 DNA origami 46 dipoles 46 dinoflagellates 46 Saturn rings 46 hexagons 46 melanosomes 46 atoms 46 femtosecond 46 twine 46 twines 46 nuclei 45 excitations 45 irregular shapes 45 microelectrodes 45 quantum bits 45 gravitational waves 45 numerical simulations 45 metamaterial 45 ribozyme 45 bilayer 45 molecular motors 45 whorl 45 DNA strands 45 photonic crystal 45 nacre 45 micron sized 45 subatomic 45 Bose Einstein condensate 45 chirality 45 intarsia 45 atomic nuclei 45 helix 45 plasmonic 45 radially 45 aerosol particles 45 geometric 45 DNA double helix 45 buckyballs 45 photons 45 fibers 45 strands 44 dimer 44 bosons 44 nanotubes 44 magnetic particles 44 crystals 44 quantum dots