Related by context. Frequent words. (Click for all words.) 87 photon 81 electrons 77 electron 74 atoms 67 wavelengths 67 protons 67 qubits 67 neutrinos 66 ions 66 neutrons 65 gamma rays 65 quantum dots 65 hydrogen atoms 65 quantum dot 64 magnetic fields 63 nuclei 63 particles 63 subatomic particles 63 proton 62 molecules 62 cosmic rays 61 nanotubes 60 wavelength 60 nanowire 59 nanotube 59 particle 58 electromagnetic waves 58 optical fibers 57 distant galaxies 57 fluorescence 57 nanoscale 57 nanometer scale 57 superconducting 57 molecule 56 laser beams 56 excitation 56 organic molecules 56 photonic 55 quantum 55 galaxies 55 nanowires 55 filaments 55 quasars 55 neutron star 55 superconductivity 55 neutron stars 55 nanostructures 54 biomolecules 54 quarks 54 quantum mechanics 54 spectra 54 pulsar 54 nanoparticles 54 graphene 54 electrical impulses 54 supernovae 53 spectroscopy 53 superconductor 53 neutron 53 neurons 52 transistors 52 electromagnetic 52 quantum computing 52 neuron 52 optical 52 ultraviolet light 52 transistor 52 gamma ray 52 oscillations 52 chemical reactions 52 carbon nanotubes 51 atom 51 piezoelectric 51 diodes 51 filament 51 water vapor 51 nanometers 51 ionosphere 51 antimatter 51 superconductors 51 tumor cells 51 photosynthesis 51 gamma ray bursts 51 nano scale 51 conductivity 51 laser beam 50 optically 50 gravitational 50 UV light 50 vesicles 50 cell membrane 50 crystals 50 electrochemical 50 droplets 50 electromagnetic radiation 50 velocities 50 luminosity 50 entropy 50 exoplanets 50 comet 49 dielectric