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(Click for frequent words.) 79 picoseconds 78 attoseconds 69 picosecond 68 quadrillionths 67 X ray pulses 66 femtosecond 66 quadrillionth 66 laser pulses 64 GeV 64 laser pulse 63 energetic gamma rays 63 keV 62 nanoseconds 62 photons 62 attosecond 62 MeV 62 electronvolts 61 micrometres 61 millivolts 61 trillionths 61 exciton 60 millionths 60 helium atoms 60 angstroms 60 nanometers thick 60 microseconds 60 nanometers 59 microns 59 muon neutrinos 59 μs 59 electron volts 59 femtosecond pulses 59 microwatts 59 micron thick 59 photon energies 59 Angstroms 58 nanosecond pulses 58 photon 58 micrometers 58 atoms 58 FWHM 58 photoemission 58 arcsecond 58 nanometers billionths 57 redshifts 57 microns thick 57 antihydrogen atoms 57 wavelengths 57 rubidium atoms 57 cm -1 57 polaritons 57 electron volts eV 56 ultraviolet wavelengths 56 μm 56 piconewtons 56 meV 56 cm -2 56 electric dipole 56 GPa 56 linewidth 56 femtosecond laser pulses 56 microliters 56 gamma ray emission 56 isotropic 56 Shutter speeds 56 nm wavelength 56 Bose Einstein condensate 56 cesium atom 56 milliseconds 56 neutrons 56 micrometers thick 56 electron neutrinos 56 photon absorption 56 Gamma rays 56 nanometer wavelength 56 microvolts 55 nsec 55 shorter wavelengths 55 X ray photons 55 infrared wavelengths 55 microwave photon 55 femtosecond pulse 55 GRBs 55 microwatt 55 sodium atoms 55 angstrom 55 nanometers nm 55 mJ 55 kelvin 55 excitation 55 Mpc 55 optical wavelengths 55 electron volt 55 wavelength infrared 55 m z 55 electron bunches 55 hydrogen atom 55 picometers 55 μsec 55 pulse durations 55 substorm 55 micrometer 55 nuclei 55 alpha particles 55 trillionth 54 cm -3 54 UV wavelengths 54 helium nuclei 54 spectra 54 diffraction pattern 54 msec 54 stimulated emission 54 kilobases 54 electron beams 54 excitations 54 quantum mechanically 54 bosonic 54 Bose Einstein condensates 54 infrared laser pulses 54 AGNs 54 luminous galaxies 54 millisecond pulsars 54 gamma ray flares 54 attosecond pulses 54 solar corona 54 arcsec 54 pulsed lasers 54 submillimetre wavelengths 54 cesium atoms 54 redshift 54 nucleon 54 quasiparticle 54 qubits 54 polariton 53 antiprotons 53 absorption coefficient 53 micrometre 53 hydrogen atoms 53 Cepheids 53 micromolar 53 μm diameter 53 #nm #nm [001] 53 quasiparticles 53 solar nebula 53 protons 53 W boson 53 frequency comb 53 mK 53 optical lattice 53 excitons 53 baryon 53 billionths 53 sievert 53 dipole moment 53 spectral bands 53 qubit 53 luminosities 53 visible wavelengths 53 #.#nm [002] 53 muons 53 amplitudes 53 electron diffraction 53 magnetotail 53 nm excitation 53 photon emission 53 X ray emission 53 submillimeter wavelengths 53 photon fluorescence 53 fluorescence intensity 53 baryonic 52 orbitals 52 Alfvén waves 52 decays 52 mu m 52 afterglows 52 nucleons 52 cd m 52 x ray pulses 52 arcseconds 52 hydrogens 52 ultraviolet wavelength 52 millimeter wavelength 52 micron wavelength 52 substorms 52 laser excitation 52 wavelength 52 interconversion 52 Type Ia supernova 52 nanowatts 52 magnetar 52 tau neutrinos 52 energetic electrons 52 microsecond 52 milliamps 52 photosphere 52 hyperfine 52 diffraction patterns 52 quantum oscillations 52 electrons 52 electron spins 52 antiparticle 52 electron density 52 gamma ray burst 52 electron 52 supernovae 52 multiphoton 52 bilayer graphene 52 fermion 52 colliding protons 52 z = 52 kcal mol 52 magnetic dipole 52 nanomagnets 52 Gamma ray bursts 52 femtosecond timescale 52 x ray beams 52 observable universe 52 magnetization 52 arcminutes 52 baryons 52 spatial resolution 52 linearly polarized 52 microns millionths 51 milliwatts 51 millisecond 51 -# degrees Celsius [001] 51 Raman scattering 51 -# ° C [001] 51 spatial dimensions 51 superpositions 51 photocurrent 51 unpolarized 51 bandgaps 51 photomultiplier tubes 51 μm wavelength 51 strontium atoms 51 nanomolar 51 proton antiproton collisions 51 absorption spectroscopy 51 resonance frequency 51 decoherence 51 polarimetry 51 photometry 51 photon microscopy 51 X ray beam 51 2nm 51 optically pumped 51 relativistic protons 51 galactic disk 51 multi walled nanotubes 51 electron pairs 51 supergiant star 51 IR wavelengths 51 X ray binary 51 TGFs 51 atomic nuclei 51 nanometers nanometer 51 photoactivation 51 ionise 51 micrometer scale 51 positrons 51 femtosecond laser pulse 51 picometer 51 millisecond pulsar 51 circular dichroism 51 Bose Einstein Condensate 51 velocity dispersion 51 dimensional nanostructures 51 surface plasmons 51 terahertz 51 galaxy cluster 51 absorption spectra 51 entangled photons 51 Earth radii 51 planet orbits 51 oscillations 51 μm thick 51 antineutrinos 51 Beta Pictoris b 51 nanodot 51 electrons protons 51 fluorophores 51 axions 51 phototransistors 51 star Gliese 51 μW 51 electrons positrons 51 planetary nebula 51 mW/cm2 51 1nm 51 radiative cooling 51 gamma ray bursts 51 5μm 51 sieverts 51 magnetic reconnection 50 Mott insulator 50 photoluminescence 50 particle beams 50 CdSe 50 spherically symmetric 50 helium ions 50 surface plasmon 50 spherical particles 50 ZnSe 50 paramagnetic 50 ionization 50 nanocrystals 50 antiferromagnetic 50 silicon atoms 50 nonlinear optical 50 SiO 50 evanescent waves 50 λ 50 rms jitter 50 rubidium 50 nanomesh 50 mCi 50 VLTI 50 τ 50 photodiodes 50 solitons 50 gravitationally lensed 50 radioactive decay 50 V# Mon 50 spontaneous fission 50 lasing 50 quantum superposition 50 electron proton 50 oxygen atom 50 occultations 50 SN #A 50 Saturn magnetosphere 50 blazar 50 QRS width 50 filaments 50 Rydberg atom 50 joules 50 solar radii 50 perihelion 50 magnetisation 50 QDs 50 undiscovered particle 50 emitted photons 50 HARPS spectrograph attached 50 rubidium vapor 50 microamps 50 spectroscopic technique 50 photodetector 50 chromophores 50 filament 50 nanoliters 50 photons particles 50 sun corona 50 single photon detectors 50 ultrashort pulses 50 polystyrene spheres 50 relativistic particles 50 ion traps 50 LCLS 50 Perseus cluster 50 microcavities 50 scanning electron microscopes 50 strontium titanate 50 ultrafast pulses 50 interferometers 50 infrared wavelength 50 elliptical galaxy 50 crystallites 50 nanoantennas 50 nucleotides 50 phonon 50 Jupiter magnetosphere 50 gauss 50 neutrinos 50 microquasar 50 CoRoT #b 50 photonic crystal 50 ARPES 50 #μm [002] 50 dephasing 50 candelas per 50 SNe Ia 50 dipoles 49 diffraction 49 nanodots 49 #.#μm [001] 49 conductance 49 lasing wavelength 49 cosmic ray flux 49 emit photon 49 mesons 49 diffract 49 monodisperse 49 X ray wavelengths 49 terawatt 49 AB Aurigae 49 X ray beams 49 muon neutrino 49 petawatt 49 Fig. 1A 49 krypton atoms 49 mT 49 #μs [002] 49 SN #gy 49 microwave frequencies 49 Wh kg 49 ultracold 49 superposed 49 kVp 49 silicon nanowire 49 angstrom resolution 49 picoliters 49 UV VIS 49 elliptical galaxies 49 ε 49 supercurrent 49 solar minima 49 soliton 49 micrometre sized 49 microlenses 49 WIMPs 49 zinc selenide 49 trimers 49 electrochemical 49 THz radiation 49 diffracted 49 thermal equilibrium 49 kaons 49 sub millimeter wavelengths 49 electron tunneling 49 fluorescence 49 1μm 49 alkenes 49 photolysis 49 luminosity 49 refractive index 49 ions 49 photons emitted 49 cosmic ray particles 49 UV photons 49 roentgen 49 2 MeV electron 49 solar neutrinos 49 Coma Cluster 49 RS Ophiuchi 49 quantum coherence 49 nanoribbons 49 sunspot 49 milliamp 49 plasmon 49 QCLs 49 titania 49 Brownian motion 49 synchrotron X ray 49 protostar 49 picoliter 49 X ray diffraction pattern 49 electrical resistivity 49 terawatts 49 Bose Einstein condensation 49 silicon monoxide 49 colloidal crystals 49 lithium niobate 49 microcavity 49 antimatter particles 49 GFlops 49 arcmin 49 GROND 49 nM 49 -# degrees Fahrenheit [002] 49 plasmons 49 nanobubbles 49 GRB# 49 μS 49 cm ^ sup 49 intrinsic brightness 49 cometary material 49 electrons orbiting 49 microampere 49 supersymmetric particles 49 stellar occultations 49 nucleotide bases 49 cobalt atom 49 parsecs 49 ionised gas 49 helicity 49 quantum dot 49 starburst galaxies 49 metastable 49 photon counting 49 particle collisions 49 pixels 49 terahertz waves 49 anneal 49 ultracold atoms 49 galaxy clusters 49 periodicities 49 shear modulus 49 geosynchronous orbit reached 49 starburst galaxy 49 qubit quantum 49 weakly interacting 48 backscattered 48 Kelvins 48 RRATs 48 galactic cosmic rays 48 xenon lamp 48 auroral 48 GRB #B 48 kDa 48 nanotubes 48 interferometry 48 supernova explosion 48 Magnetars 48 Cepheid variables 48 electron positron pairs 48 quantum dots 48 bandgap 48 cd m² 48 quantum particle 48 Unit Telescopes 48 superposition 48 fermionic 48 antiparticles 48 Å -1 48 photostability 48 cosmological distances 48 sub angstrom 48 InAs 48 ferromagnetic 48 reionization 48 Fomalhaut b 48 #.#nm [001] 48 filamentary structure 48 ESO PR 48 helium atom 48 oligonucleotide probes 48 gamma ray photons 48 SiO 2 48 gigapascals 48 electron spin 48 binary digits 48 fluorescence excitation 48 magnetic monopoles 48 supernova explosions 48 perigee 48 ionized gas 48 spectroscopic 48 thermal EMF 48 photodetectors 48 pulse widths 48 chromosphere 48 proton proton collisions 48 conventional IMRT 48 atomic nucleus 48 detect gamma rays 48 photon flux 48 J#.# [001] 48 photon beam 48 optical excitation 48 Coulomb blockade 48 super Earths 48 γ 48 electron neutrino 48 Higgs bosons 48 milliamperes 48 deuterium nuclei 48 plasmasphere 48 muon 48 tungsten filament 48 1kHz 48 spectroscopy 48 photoelectron 48 dB insertion loss 48 dipole 48 Raman lasers 48 copper oxide superconductors 48 emits X rays 48 Cherenkov radiation 48 interacting galaxies 48 Comet Holmes 48 ultraviolet photons 48 cm ² 48 micron pixels 48 deuterium 48 kilohertz 48 #μm [001] 48 protoplanetary disk 48 neutrino mass 48 SWNTs 48 HM Cancri 48 supersolid 48 ppmv 48 MWCNTs 48 electronic excitations 48 RXTE 48 CAIs 48 milliwatt 48 W/cm2 48 synchrotron x ray 48 WASP #b 48 magnon 48 comet Wild 48 YORP effect 48 gravitational acceleration 48 sunlike star 48 chlorophyll molecules 48 tokamaks 48 resonant tunneling 48 Photons 48 lithium atoms 48 nanocrystal 48 quasar 48 orbits 48 microamp 48 collimated 48 oscillation frequency 48 entangled qubits 48 nanosheets 48 kelvins 48 antiferromagnets 48 NeuroStar beams 48 phosphorus atoms 48 cosmic gamma rays 48 Bose Einstein condensate BEC 48 photobleaching 48 superlattice 48 hydroxyl molecules 48 emit X rays 48 photochemistry 48 wavelength lasers 48 microamperes 48 B meson 48 branes 48 photochemical reactions 48 quantum particles 48 Supplementary Fig 48 brightnesses 48 quasicrystal 48 antineutrino 48 KBOs 48 gamma rays 48 bistable 48 fluorescent molecules 48 submillimeter 48 absorb photons 48 femtogram 48 Comet Hartley 48 resonant cavity 48 constellation Cepheus 48 emits photons 48 conventional superconductors 48 absorbs photons 48 circularly polarized light 48 quantum tunneling 48 parsec 48 chromophore 48 elliptical orbits 48 frames sec 48 Alfven waves 48 watt lightbulb 48 oxygen atoms 47 kpc 47 Astronomical Units 47 unpaired electrons 47 collimators 47 circular orbits 47 Vsby 1 47 glaciations 47 tetragonal 47 silicon waveguide 47 Carina constellation 47 ENAs 47 -# ° F [001] 47 femtosecond laser 47 electrically conducting 47 superfluid 47 diffusion coefficient 47 proton 47 NMR spectra 47 perovskite 47 micron diameter 47 isomers 47 unaided eye 47 valence electrons 47 organic molecules 47 Raman spectroscopy 47 ultrashort laser pulses 47 Muons 47 kD 47 sub picosecond 47 spacetime 47 distant supernovae 47 #ns [002] 47 Late Heavy Bombardment 47 LiNbO3 47 inhomogeneous 47 millimeter wavelengths 47 cm sec 47 microliter 47 spectroscopic observations 47 planetary nebulae 47 Arches Cluster 47 galaxy NGC 47 orbital angular momentum 47 electroluminescence EL 47 strange quarks 47 meson 47 rubidium atom 47 absorbance 47 boron atoms 47 waveguides 47 ionised 47 -# Celsius [001] 47 diffusive 47 submicrometer 47 ° sec 47 Fig. 2A 47 fs pulses 47 mM 47 Gravitational waves 47 comet nucleus 47 Eta Carinae 47 dynamical evolution 47 lightwaves 47 anisotropy 47 inelastic scattering 47 #nm laser [002] 47 leakage currents 47 quark gluon plasma 47 Kbits 47 massless particles 47 cosmic microwave background 47 heliosheath 47 tau neutrino 47 optical microscopy 47 proton collisions 47 VLT telescope 47 mesoporous 47 terahertz frequencies 47 FRET 47 Fourier transform 47 nanomotors 47 Cosmic Microwave Background CMB 47 nm 47 gigapixels 47 CMB photons 47 chlorophylls 47 HD#b 47 mV 47 CoRoT 7b 47 HD #b [002] 47 optical lattices 47 millivolt 47 fig. S2 47 scanning microscopy 47 nanometer 47 ion collisions 47 gamma rays emitted 47 distinct substructures 47 alkene 47 quasars 47 kilo watts 47 sunspot numbers 47 fainter objects 47 Antennae Galaxies 47 watt light bulb 47 Dirac fermions 47 spectroscopically 47 Z boson 47 Type Ia supernovae 47 NICMOS 47 novae 47 ferroelectric 47 corona discharge 47 filamentary 47 foreground galaxy 47 magnetars 47 input impedance 47 electrical conductance 47 Wolf Rayet star 47 quantum dot lasers 47 nanometer spatial 47 neutralino 47 toroid 47 TrES 47 microbolometers 47 quadrupole 47 #mV V 47 optical modulator 47 micron sized 47 microwave photons 47 confocal microscopy 47 infrared photons 47 supernova remnant 47 graphite oxide 47 isotherm 47 interstellar dust particles 47 metallicity 47 Venus transits 47 kilobytes 47 refractive indices 47 photonic crystal fibers 47 emit photons 47 spectral measurements 47 oscillation 47 cosmic ray protons 47 6nm 47 photoionization 47 valence electron 47 microscopy techniques 47 MG J# +# 47 reactants 47 heterostructure 47 ampere 47 bacterial genomes 47 #ksps 47 photon beams 47 AlGaN GaN 47 electron doped 47 orbital eccentricity 47 ionize 47 Nd YAG 47 micrographs 47 orbits Saturn 47 tensor 47 Adam Riess 47 photometer 47 Einstein cosmological constant 47 waning gibbous 47 optical resonator 47 W bosons 47 NWs 47 Phys. Rev. Lett 47 silicate dust 47 submillimetre 47 resonant frequency 46 neutron 46 megabits sec 46 Gamma ray bursts GRBs 46 SINFONI 46 sparticles 46 SAXS 46 NASA Wilkinson Microwave 46 pulsed laser 46 weak gravitational lensing 46 Magnetic reconnection 46 quantum mechanical 46 semiconducting material 46 MBq 46 Raman spectra 46 Rayleigh scattering 46 magma ocean 46 chondrules 46 van der Waals interactions 46 detect gravitational waves 46 macroscopic 46 metallic nanostructures 46 superfluid helium 46 kilohertz kHz 46 nanometric 46 blue supergiant 46 dI dV 46 pentacene molecule 46 kGy 46 distant quasar 46 mRNA molecules 46 X ray afterglow 46 Brookhaven Relativistic Heavy 46 quantized 46 constellation Virgo 46 subatomic particle 46 adsorbate 46 antihydrogen 46 amperes 46 Cygnus X 46 #μs [001] 46 interglacial periods 46 Shutter lag 46 5nm 46 2μm 46 nanometer scale 46 delocalized 46 dipolar 46 gamma ray radiation 46 cadmium selenide 46 alkane 46 g cm 46 THz 46 dimer 46 superlens 46 distant quasars 46 Higgs particle 46 nanoclusters 46 electrons behave 46 chemical reactions 46 PEDOT 46 vibrational modes 46 electron beam 46 supercontinuum generation 46 ultraviolet laser 46 galaxy redshift 46 μA 46 Corot 9b 46 amino acids 46 magnesium ions 46 lattice vibrations 46 yr -1 46 silicon nanocrystals 46 heterojunctions 46 mEq L 46 1mA 46 η 46 Ti sapphire laser 46 optical waveguides 46 Feshbach resonance 46 UVOT 46 beryllium ion 46 HIRES spectrometer 46 gravitational redshift 46 strange quark 46 metamaterial antennas 46 bolometers 46 dye molecules 46 exoplanets 46 Doppler shifts 46 oC 46 phonons 46 synchrotron emission 46 volcanic tremors 46 kT 46 cd/m2 46 giant gaseous planets 46 anisotropic 46 magnetization reversal 46 spectral fingerprint 46 molecules 46 brightness 46 backscattering 46 SNe 46 semiconductor nanocrystals 46 SQUIDs 46 distant galaxies 46 J# +# [002] 46 dispersive 46 UVB radiation 46 wavefunction 46 Photonic crystals 46 X ray binaries 46 planets orbits 46 #/#th [001] 46 x 7mm 46 DFT calculations 46 mesosphere 46 AU Mic 46 nanotube transistors 46 blazars 46 magnetic anisotropy 46 f#.# 46 sonoluminescence 46 θ 46 isomeric 46 ohm cm 46 heterostructures 46 degC 46 redshift z = 46 #F #C [001] 46 californium 46 perturbation theory 46 nematic 46 sine waves 46 Atomic clocks 46 wavelength UV 46 fluorescence microscopy 46 phosphorus atom 46 SWNT 46 cosmic ray collisions 46 hydrogen nuclei 46 dimensional reconstructions 46 Josephson junctions 46 ZnO 46 mrad 46 Saturn equinox 46 emission wavelength 46 eclipsing binary 46 Wm -2 46 nonpolar 46 nm wavelengths 46 neutron star 46 infall 46 periodic oscillations 46 candelas 46 Fluorescence 46 ohm load 46 quantum electrodynamics 46 planetesimals 46 electrons emitted 46 birefringence 46 spatially resolved