Physics & Astronomy
collisions
100%
decay
79%
galaxies
56%
detectors
56%
energy
54%
luminosity
49%
simulation
46%
quarks
45%
protons
45%
planets
45%
electrons
43%
bosons
41%
leptons
41%
quantum cascade lasers
39%
flames
38%
cross sections
38%
interactions
36%
stars
32%
physics
31%
Higgs bosons
31%
quasars
30%
magnetic fields
30%
extrasolar planets
30%
predictions
30%
neutrinos
30%
temperature
29%
liquids
28%
center of mass
28%
confidence
28%
lasers
26%
telescopes
26%
water
26%
asymmetry
26%
spectroscopy
26%
mesons
25%
kinetics
25%
muons
24%
photons
24%
gases
24%
ions
24%
microwaves
24%
transverse momentum
23%
scaling
23%
cosmology
22%
symmetry
22%
radii
22%
dark matter
22%
electronics
21%
fermions
21%
performance
21%
estimates
21%
scalars
21%
turbulence
21%
dust
21%
molecules
21%
strings
20%
insulators
20%
chemistry
20%
sensitivity
20%
fluids
20%
oscillations
19%
photonics
19%
Jupiter (planet)
19%
orbits
19%
polarization
19%
cells
19%
ignition
18%
pair production
18%
sensors
18%
characterization
18%
ground state
18%
operators
18%
excitation
18%
shock
18%
optimal control
18%
geometry
17%
air
17%
silicon
17%
scattering
17%
dark energy
17%
wavelengths
17%
probes
17%
pulses
16%
signatures
16%
configurations
16%
orbitals
16%
oxidation
16%
profiles
16%
oxygen
16%
hydrogen
16%
atoms
16%
metals
15%
anisotropy
15%
crystals
15%
polymers
15%
cavities
15%
x rays
15%
products
15%
momentum
14%
molecular dynamics
14%
Engineering & Materials Science
Quantum cascade lasers
70%
Electrons
67%
Temperature
60%
Plasmas
43%
Experiments
41%
Lasers
39%
Communication
35%
Molecules
33%
Spectroscopy
32%
Detectors
30%
Liquids
29%
Ions
29%
Polymers
29%
Oxidation
29%
Water
28%
Data storage equipment
27%
Substrates
27%
Density functional theory
27%
Photonics
26%
Atoms
26%
Wavelength
26%
Proteins
26%
Imaging techniques
26%
Sensors
25%
Metals
25%
Costs
25%
Code division multiple access
24%
Hydrogen
24%
Air
24%
Oxygen
24%
Ignition
24%
Fluids
24%
Thin films
24%
Computer hardware
23%
Gases
23%
Crystals
23%
Silicon
23%
Perovskite
23%
Magnetic fields
22%
Electronic structure
22%
Geometry
21%
Carbon
21%
Doping (additives)
21%
Catalysts
20%
Protons
20%
Block copolymers
20%
Ground state
20%
Photons
20%
Hot Temperature
19%
Oxides
19%
Networks (circuits)
18%
Physics
18%
Infrared radiation
18%
Ligands
18%
Scattering
18%
Superconducting materials
18%
Adsorption
18%
Superconductivity
18%
Polynomials
18%
Semiconductor quantum wells
18%
Heterojunctions
18%
Nanoparticles
17%
Gels
17%
Methane
17%
Electrodes
17%
Monolayers
17%
Decomposition
17%
Throughput
17%
Computer simulation
17%
Monitoring
16%
Turbulence
16%
Crystalline materials
16%
Semiconductor materials
16%
Catalysis
16%
Wireless networks
16%
Entropy
16%
Sampling
16%
Telescopes
16%
Neural networks
15%
Topological insulators
15%
Molecular dynamics
15%
Machine learning
15%
Feedback
15%
Modulation
15%
Boundary layers
15%
Polarization
15%
Photoelectron spectroscopy
15%
Uncertainty
15%
Charge transfer
15%
Reynolds number
14%
Bandwidth
14%
Crystal structure
14%
Relaxation
14%
Transmitters
14%
Antennas
14%
Chemical analysis
14%
Metalloids
14%
Phase transitions
14%
Graphene
14%
Statistics
14%
Earth & Environmental Sciences
planet
46%
simulation
30%
ocean
25%
luminosity
25%
energy
23%
Jupiter
20%
microwave
20%
effect
19%
dust
19%
gas
18%
distribution
18%
rate
17%
climate
17%
modeling
17%
magnetic field
16%
cosmology
16%
atmosphere
16%
temperature
15%
accretion
14%
rainfall
14%
analysis
13%
parameter
13%
plasma
13%
experiment
13%
probe
13%
detection
12%
anisotropy
12%
energetics
12%
Neptune
11%
soil moisture
11%
prediction
11%
carbon
11%
method
10%
timescale
10%
particle
10%
nitrogen
10%
ion
10%
turbulence
10%
transition
10%
general circulation model
10%
land surface
10%
solar wind
10%
tropical cyclone
9%
radio
9%
gene
9%
magnetohydrodynamics
9%
electron
9%
climate change
9%
water
9%
spectroscopy
9%
Cretaceous-Paleogene boundary
9%
nitrate
9%
radiation
9%
climate modeling
8%
oxygen
8%
merger
8%
polarization
8%
heating
8%
comparison
8%
sea surface temperature
8%
cell
8%
science
8%
test
7%
cooling
7%
cold
7%
loss
7%
soil
7%
phytoplankton
7%
oscillation
7%
wavelength
7%
ecosystem
7%
extinction
7%
land
7%
speed
7%
hydrodynamics
6%
near infrared
6%
angular momentum
6%
perturbation
6%
iron
6%
young
6%
basin
6%
trend
6%
warming
6%
hydrogen
6%
nutrient
6%
fluid
6%
code
6%
methane
6%
isotope
6%
project
6%
anomaly
6%
bacterium
6%
scattering
6%
hurricane
6%
forecast
6%
laboratory
6%
calibration
6%
sediment
6%
kinetics
5%
genome
5%