# Index of physics articles (S)

The index of physics articles is split into multiple pages due to its size.
To navigate by individual letter use the table of contents below.

## Index of physics articles

* 0–9
* A
* B
* C
* D
* E
* F
* G
* H
* I
* J
* K
* L
* M
* N
* O
* P
* Q
* R
* S
* T
* U
* V
* W
* X
* Y
* Z

## S

* S-1 Uranium Committee
* S-LINK
* S-PRISM
* S-brane
* S-duality
* S-knot
* S-matrix
* S-matrix theory
* S-process
* S-wave
* S. Brooks McLane
* S. Pancharatnam
* SAFARI-1
* SAGE (Soviet–American Gallium Experiment)
* SAM1
* SAM 935
* SAT Subject Test in Physics
* SDSSJ0946+1006
* SDSS J0927+2943
* SED Systems
* SELFOC Microlens
* SETAR (model)
* SHEEP (symbolic computation system)
* SIESTA (computer program)
* SIMP
* SIMPLE (dark matter)
* SIMPLE algorithm
* SINDO
* SI electromagnetism units
* SLAC
* SLAC (disambiguation)
* SLAC National Accelerator Laboratory
* SLOWPOKE reactor
* SMART-1
* SNO+
* SNOLAB
* SNUPPS
* SN 1006
* SN 1987A
* SN 2002cx
* SN 2003fg
* SN 2005gj
* SN 2007bi
* SO(10) (physics)
* SOFAR channel
* SOLEIL
* SPEAR
* SPEED2000
* SPIE
* SPIN bibliographic database
* SPring-8
* SQUID
* SS Charles H. Cugle
* STACEE
* STAR detector
* STAR model
* STATCOM
* STEP (satellite)
* SU(5)
* SUNIST
* SUVAT equations
* SWEEPNIK
* SYZ conjecture
* S band
* Sabba S. Ştefănescu
* Sabin (unit)
* Sacharias Jansen
* Sachs–Wolfe effect
* Sackur–Tetrode equation
* Safety of particle collisions at the Large Hadron Collider
* Saffir–Simpson Hurricane Scale
* Sagitta (optics)
* Sagnac effect
* Saha ionization equation
* Sailing faster than the wind
* Saint-Laurent-des-Eaux
* Saint Anthony Falls Laboratory
* Sajeev John
* Sakurai Prize
* Sally Ride
* Salomon Kalischer
* Salter's duck
* Sam Edwards (physicist)
* Sam Treiman
* Samar Mubarakmand
* Samarium–cobalt magnet
* Sameera Moussa
* Samson Kutateladze
* Samuel C. C. Ting
* Samuel Collins (physicist)
* Samuel Curran
* Samuel Devons
* Samuel E. Blum
* Samuel Goudsmit
* Samuel Jackson Barnett
* Samuel King Allison
* Samuel L. Braunstein
* Samuel Milner
* Samuel T. Cohen
* Samuel T. Durrance
* Samuel Tolansky
* Samuel Tolver Preston
* Sandip Chakrabarti
* Sandip Trivedi
* Sankar Das Sarma
* Sarah Frances Whiting
* Sarfus
* Saskatchewan Accelerator Laboratory
* Saskatoon experiment
* Satellite flare
* Satellite laser ranging
* Satish Dhawan
* Satoshi Kawata
* Satosi Watanabe
* Saturable absorption
* Saturation (magnetic)
* Saturation vapor curve
* Saturation vapor pressure
* Satyendra Nath Bose
* Sauerbrey equation
* Saul Dushman
* Saul Perlmutter
* Saul Rappaport
* Saul Teukolsky
* Sauter mean diameter
* Savart wheel
* Savas Dimopoulos
* Savonius wind turbine
* Saybolt universal second
* Scalar–tensor theory
* Scalar–vector–tensor decomposition
* Scalar (physics)
* Scalar Field Dark Matter
* Scalar boson
* Scalar electrodynamics
* Scalar field (quantum field theory)
* Scalar field dark matter
* Scalar field solution
* Scalar field theory
* Scalar meson
* Scalar multiplication
* Scalar potential
* Scalar theories of gravitation
* Scalar–tensor–vector gravity
* Scale-free ideal gas
* Scale factor (cosmology)
* Scale invariance
* Scale relativity
* Scaling limit
* Scanning Acoustic Tomography
* Scanning SQUID microscope
* Scanning acoustic microscope
* Scanning capacitance microscopy
* Scanning probe microscopy
* Scanning transmission electron microscopy
* Scanning tunneling microscope
* Scattering
* Scattering-matrix method
* Scattering (optics)
* Scattering channel
* Scattering cross-section
* Scattering from rough surfaces
* Scattering length
* Scattering rate
* Scattering theory
* Sceptre (fusion reactor)
* Schaefer–Bergmann diffraction
* Scharnhorst effect
* Scherk–Schwarz mechanism
* Schiehallion experiment
* Schlieren
* Schlieren imaging
* Schlieren photography
* Schmidt corrector plate
* Schmidt number
* School of Physics and Astronomy, University of Manchester
* Schottky anomaly
* Schottky defect
* Schrödinger's Kittens and the Search for Reality
* Schrödinger's cat
* Schrödinger's cat in popular culture
* Schrödinger equation
* Schrödinger picture
* Schrödinger–Newton equation
* Schumann resonances
* Schuyler Wheeler
* Schwarzschild coordinates
* Schwarzschild criterion
* Schwarzschild geodesics
* Schwarzschild metric
* Schwarzschild radius
* Schwinger's quantum action principle
* Schwinger function
* Schwinger limit
* Schwinger model
* Schwinger parametrization
* Schwinger–Dyson equation
* Schön scandal
* SciBooNE
* Science Abstracts
* Science and Technology of Advanced Materials
* Scientific equipment optician
* Scintillation (physics)
* Scintillation counter
* Scintillator
* Scleronomous
* Scott Anderson (physicist)
* Scott Diddams
* Scott Forbush
* Screened Poisson equation
* Screw (motion)
* Screw axis
* Screw pump
* Screw theory
* Scripta Materialia
* Sea breeze
* Sea state
* Sean Cadogan
* Sean M. Carroll
* Search for the Higgs boson
* Searle's bar method
* Sears–Haack body
* Seashell resonance
* Sebastian Doniach
* Sebastian Seung
* Sebastian von Hoerner
* Second-harmonic generation
* Second-order fluid
* Second-order transition
* Second Industrial Revolution
* Second class constraints
* Second law of thermodynamics
* Second moment of area
* Second sound
* Second superstring revolution
* Secondary circulation
* Secondary electrons
* Secondary emission
* Secondary flow
* Secondary ion mass spectrometry
* Secondary mirror
* Sectional density
* Sector instrument
* Secular equilibrium
* Sedan (nuclear test)
* Sediment transport
* Sedimentation
* Seed crystal
* Seed nucleus
* Seeding (fluid dynamics)
* Seesaw mechanism
* Segre classification
* Segré–Silberberg effect
* Seiberg duality
* Seiberg–Witten gauge theory
* Seibert Q. Duntley
* Seiche
* Seifallah Randjbar-Daemi
* Seismic metamaterials
* Seismic migration
* Seismic refraction
* Seismic source
* Seismic tomography
* Seismological Society of America
* Selected-ion flow-tube mass spectrometry
* Selected area diffraction
* Selection rule
* Selective adsorption
* Selective surface
* Self-amplified stimulated emission
* Self-averaging
* Self-diffusion
* Self-energy
* Self-focusing transducers
* Self-information
* Self-interacting dark matter
* Self-mixing interferometry
* Self-organized criticality
* Self-phase modulation
* Self-propagating high-temperature synthesis
* Sellafield
* Sellmeier equation
* Semi-empirical mass formula
* Semi-empirical quantum chemistry method
* Semi-major axis
* Semi-minor axis
* Semi-rigid airship
* Semiclassical gravity
* Semiconductor
* Semiconductor Science and Technology
* Semiconductor characterization techniques
* Semiconductor detector
* Semiconductor fault diagnostics
* Semiconductor ring laser
* Semileptonic decay
* Semimetal
* Semipermeable membrane
* Sendai Nuclear Power Plant
* Sending loudness rating
* Sendust
* Sensible heat
* Separable state
* Separatrix (dynamical systems)
* Sequential structure alignment program
* Sequential walking
* Serge Haroche
* Serge Rudaz
* Serge Timashev
* Sergei Alexander Schelkunoff
* Sergei Gukov
* Sergei K. Godunov
* Sergei Kopeikin
* Sergei Kovalev
* Sergei Odintsov
* Sergei P. Kurdyumov
* Sergei Tyablikov
* Sergei Vonsovsky
* Sergey Chaplygin
* Sergey Ivanovich Vavilov
* Sergey Kapitsa
* Sergey Khristianovich
* Sergey M. Bezrukov
* Sergey Nikitin (musician)
* Sergio Ferrara
* Sergiu Rădăuţan
* Serguei Krasnikov
* Set and drift
* Seth Neddermeyer
* Severn Barrage
* Sextupole magnet
* Seymour Benzer
* Sfermion
* Sgoldstino
* Shade (shadow)
* Shadowgraph
* Shadows of the Mind
* Shahn Majid
* Shahriar Afshar
* Shake (unit)
* Shakedown (continuum mechanics)
* Shallow donor
* Shallow water equations
* Shamal (wind)
* Shamit Kachru
* Shanghai Synchrotron Radiation Facility
* Shannon Walker
* Shape factor (X-ray diffraction)
* Shape factor (boundary layer flow)
* Shape of the universe
* Shape resonance
* Shape waves
* Shapiro delay
* Sharkovskii's theorem
* Shashlik (physics)
* Shaukat Hameed Khan
* Shawn Carlson
* Shear flow
* Shear modulus
* Shear rate
* Shear strain
* Shear stress
* Shear thinning
* Shear velocity
* Shearing (physics)
* Shearography
* Shed (unit)
* Sheer thinning
* Sheldon Datz
* Sheldon Glashow
* Shell balance
* Shell theorem
* Shelter Island Conference
* Shen Chun-shan
* Shengwang Du
* Sherwood number
* Shielding effect
* Shields parameter
* Shigeo Satomura
* Shijun Liao
* Shim (magnetism)
* Shin'ichi Nojiri
* Shing-Tung Yau
* Shinzo Shinjo
* Ship tracks
* Shiraz Minwalla
* Shirley Ann Jackson
* Shirshov Institute of Oceanology
* Shiva laser
* Shiyi Chen
* Shkarofsky function
* Shlomo Havlin
* Shock (fluid dynamics)
* Shock (mechanics)
* Shock capturing methods
* Shock diamond
* Shock metamorphism
* Shock stall
* Shock tube
* Shock wave
* Shock waves in astrophysics
* Shockley–Queisser limit
* Shoe-fitting fluoroscope
* Shoichi Sakata
* Shor's algorithm
* Shortcut model
* Shortwave radiation
* Shot noise
* Shower-curtain effect
* Shri Krishna Joshi
* Shubnikov–de Haas effect
* Shunt impedance
* Side-scan sonar
* Sidereus Nuncius
* Sideslip angle
* Sidney Altman
* Sidney Coleman
* Sidney Dancoff
* Sidney Drell
* Sidney R. Nagel
* Sidney Redner
* Siegbahn notation
* Siegfried Czapski
* Siegfried Flügge
* Siegfried Hecker
* Siemens (unit)
* Siemens cycle
* Siemens star
* Sievert
* Sievert chamber
* Sievert integral
* Sigma Pi Sigma
* Sigma baryon
* Sigma model
* Sign convention
* Signal-to-noise plus interference
* Signal-to-noise ratio
* Signal beam
* Signal velocity
* Signature change
* Significant wave height
* Signorini problem
* Sigurd Hofmann
* Sigurd Zienau
* Silas D. Alben
* Silent Aircraft Initiative
* Silex
* Silex Process
* Silicon-germanium
* Silicon (journal)
* Silicon bandgap temperature sensor
* Silicon photomultiplier
* Silicon photonics
* Silicon transistor
* Silly Putty
* Silver nanoparticles
* Silvo Breskvar
* Simon Ostrach
* Simon Ramo
* Simon Shnoll
* Simon van der Meer
* Simons Center for Geometry and Physics
* Simple harmonic motion
* Simple harmonic oscillator
* Simple lens
* Simple machine
* Simple shear
* Simplex noise
* Simulated fluorescence process algorithm
* Simulated reality
* Simulation hypothesis
* Simultaneous masking
* Siméon Denis Poisson
* Sin-Itiro Tomonaga
* Sine–Gordon equation
* Singing arc
* Singing sand
* Single-molecule magnet
* Single-particle spectrum
* Single-photon emission computed tomography
* Single crystal
* Single domain (magnetic)
* Single negative metamaterial
* Single scattering albedo
* Single wavelength anomalous dispersion
* Singlet state
* Singleton field
* Singular isothermal sphere profile
* Singularity (Bill DeSmedt novel)
* Sinusoidal plane-wave solutions of the electromagnetic wave equation
* Sinyan Shen
* Siphon
* Sir Andrew Noble, 1st Baronet
* Sir George Stokes, 1st Baronet
* Sir James Hall, 4th Baronet
* Sisir Kumar Mitra
* Sisyphus cooling
* Sisyphus effect
* Sivaramakrishna Chandrasekhar
* Six's thermometer
* Skew-T log-P diagram
* Skin depth
* Skin effect
* Skip distance
* Skip reentry
* Sky Polarization Observatory
* Sky anchor
* Sky brightness
* Skyrmion
* Slack water
* Slater-type orbital
* Slater determinant
* Slater integrals
* Slave boson
* Slavnov–Taylor identities
* Slender-body theory
* Sliding (motion)
* Sliding friction
* Slip (materials science)
* Slip (vehicle dynamics)
* Slip melting point
* Slipstream
* Slit experiment
* Sloan Digital Sky Survey
* Sloan Extension for Galactic Understanding and Exploration 2
* Slope efficiency
* Slosh dynamics
* Slow-motion approximation
* Slow light
* Slowly varying envelope approximation
* Small-angle X-ray scattering
* Small-angle neutron scattering
* Small-angle scattering
* Small Tight Aspect Ratio Tokamak
* Small article monitor
* Small wind turbine
* Smart Fluids
* Smart Materials and Structures
* Smart fluid
* Smart glass
* Smart material
* Smithsonian Astrophysical Observatory
* Smith–Purcell effect
* Smoke
* Smoke ring
* Smoluchowski coagulation equation
* Smooth camber change
* Smoothed-particle hydrodynamics
* Smuon
* Smyth Report
* Snap freezing
* Snell's law
* Sneutrino
* Soap bubble
* Society of Exploration Geophysicists
* Society of Physics Students
* Sod shock tube
* Sodium Reactor Experiment
* Soft-collinear effective theory
* Soft Matter (journal)
* Soft SUSY breaking
* Soft X-ray emission spectroscopy
* Soft matter
* Soft photons
* Soft radiation
* Softening
* Soil physics
* Soil plant atmosphere continuum
* Soil thermal properties
* Sokolov–Ternov effect
* Solar cosmic ray
* Solar energetic particles
* Solar energy
* Solar flare
* Solar magnetogram
* Solar mass
* Solar neutrino
* Solar neutrino problem
* Solar neutrino unit
* Solar Observing Optical Network
* Solar System model
* Solar physicist
* Solar physics
* Solar Physics (journal)
* Solar prominence
* Solar radiation pressure
* Solar thermal energy
* Solar wind
* Solarization (physics)
* Solarsoft
* Solenoid
* Solenoidal vector field
* Solid
* Solid-state ionics
* Solid-state laser
* Solid-state nuclear magnetic resonance
* Solid-state nuclear track detector
* Solid-state physics
* Solid State Communications
* Solid angle
* Solid harmonics
* Solid hydrogen
* Solid mechanics
* Solid solution
* Solid state dye lasers
* Solidus (chemistry)
* Soliton
* Soliton (optics)
* Solomon Saltiel
* Solstice
* Solution of Schrödinger equation for a step potential
* Solutions of the Einstein field equations
* Solvated electron
* Solvay Conference
* Solving the geodesic equations
* Somerset Space Walk
* Sommerfeld identity
* Sommerfeld number
* Sommerfeld radiation condition
* Sommerfeld–Kossel displacement law
* Somnath Bharadwaj
* Sonar
* Sondrestrom Upper Atmospheric Research Facility
* Sone
* Sonic black hole
* Sonic boom
* Sonic cavitation
* Sonic weapon
* Sonication
* Sonobuoy
* Sonochemistry
* Sonology
* Sonoluminescence
* Soret Peak
* Sorption
* Sorptivity
* Soudan 1
* Soudan 2
* Sound
* Sound Retrieval System
* Sound amplification by stimulated emission of radiation
* Sound baffle
* Sound barrier
* Sound diffuser
* Sound energy density
* Sound energy flux
* Sound from ultrasound
* Sound generator
* Sound intensity
* Sound intensity level
* Sound of fingernails scraping chalkboard
* Sound power
* Sound power level
* Sound pressure
* Sound reduction index
* Sound transmission class
* Source counts
* Source field
* Source function
* Southern Hemisphere Auroral Radar Experiment
* Soviet Physics Uspekhi
* Sołtan argument
* Space
* Space Weather Prediction Center
* Space charge
* Space group
* Space physics
* Spacequake
* Spaceship Earth (detector)
* Spacetime
* Spacetime algebra
* Spacetime symmetries
* Spacetime topology
* Spaghettification
* Spalart–Allmaras turbulence model
* Spallation
* Spallation Neutron Source
* Spark (fire)
* Spark chamber
* Spark gap
* Sparticle
* Spaser
* Spatial cutoff frequency
* Spatial filter
* Spatial frequency
* Spatial twist continuum
* Special nuclear material
* Special relativity
* Special relativity (alternative formulations)
* Special sciences
* Special sensor microwave/imager
* Specific absorption rate
* Specific activity
* Specific detectivity
* Specific energy
* Specific force
* Specific gravity
* Specific impulse
* Specific kinetic energy
* Specific latent heat of fusion
* Specific orbital energy
* Specific radiative intensity
* Specific relative angular momentum
* Specific speed
* Specific strength
* Specific volume
* Specific weight
* Speckle noise
* Speckle pattern
* Spectral bands
* Spectral density
* Spectral imaging
* Spectral line
* Spectral mutability
* Spectral phase interferometry for direct electric-field reconstruction
* Spectral splatter
* Spectral triple
* Spectrogram
* Spectrograph
* Spectroradiometer
* Spectroscopic notation
* Spectroscopy
* Specular reflection
* Speed
* Speed of electricity
* Speed of gravity
* Speed of light
* Speed of revolution
* Speed of sound
* Spekkens Toy Model
* Spencer R. Weart
* Spent nuclear fuel
* Spenta R. Wadia
* Sphaleron
* Sphere of influence (astrodynamics)
* Sphere packing
* Spherical aberration
* Spherical cow
* Spherical harmonics
* Spherical model
* Spherical multipole moments
* Spherical tokamak
* Spherically symmetric spacetime
* Spheromak
* Spider (polarimeter)
* Spin-destruction collision
* Spin-flip
* Spin-orbital
* Spin-polarized electron energy loss spectroscopy
* Spin-stabilized magnetic levitation
* Spin-statistics theorem
* Spin-weighted spherical harmonics
* Spin-½
* Spin (physics)
* Spin Hall effect
* Spin Liquid
* Spin angular momentum of light
* Spin chemistry
* Spin connection
* Spin crossover
* Spin density wave
* Spin diffusion
* Spin echo
* Spin foam
* Spin glass
* Spin ice
* Spin isomers of hydrogen
* Spin magnetic moment
* Spin model
* Spin multiplicity
* Spin network
* Spin polarization
* Spin probe
* Spin pumping
* Spin quantum number
* Spin states (d electrons)
* Spin stiffness
* Spin tensor
* Spin transistor
* Spin valve
* Spin wave
* Spinhenge@Home
* Spinodal decomposition
* Spinon
* Spinor
* Spinor bundle
* Spinoza Prize
* Spinplasmonics
* Spinthariscope
* Spintronics
* Spin–charge separation
* Spin–orbit interaction
* Spiral computed tomography
* Spiral divergence
* Spiru Haret
* Splash (fluid mechanics)
* Split-Hopkinson pressure bar
* Split-quaternion
* Split-ring resonator
* Split supersymmetry
* Spoiler (aeronautics)
* Spontaneous emission
* Spontaneous fission
* Spontaneous magnetization
* Spontaneous parametric down-conversion
* Spontaneous process
* Spontaneous symmetry breaking
* Sporadic E propagation
* Spouting can
* Spray nozzle
* Spring pendulum
* Spring scale
* Springboard
* Sputtering
* Squall
* Square-lattice Ising model
* Square metre
* Squashed entanglement
* Squat effect
* Squeeze operator
* Squeezed coherent state
* Srnoluchowski
* Stabilator
* Stability derivatives
* Stable map
* Stack effect
* Staebler–Wronski effect
* Staggered fermion
* Stagnation point
* Stagnation pressure
* Stagnation temperature
* Stall (flight)
* Stall delay
* Stall strips
* Stan Frankel
* Standard-Model Extension
* Standard Dry Air
* Standard Model
* Standard Model (mathematical formulation)
* Standard conditions for temperature and pressure
* Standard cubic feet per minute
* Standard day
* Standard enthalpy of formation
* Standard enthalpy of reaction
* Standard gravitational parameter
* Standard linear solid model
* Standard molar entropy
* Standard ruler
* Standard solar model
* Standing wave
* Stanford E. Woosley
* Stanford Institute for Theoretical Physics
* Stanford Large Detector
* Stanford Linear Collider
* Stanford Physics Information Retrieval System
* Stanford Synchrotron Radiation Lightsource
* Stanhope lens
* Stanislas Sorel
* Stanislav Mikheyev
* Stanisław Mrozowski
* Stanley Autler
* Stanley Brodsky
* Stanley Deser
* Stanley G. Love
* Stanley Mandelstam
* Stanley S. Ballard
* Stanley Schmidt
* Stanley Whitehead (physicist)
* Stanton T. Friedman
* Star
* Star formation
* Stark effect
* Stark spectroscopy
* Stark spectroscopy (physics)
* Stark–Einstein law
* Starling equation
* Starting vortex
* Startup winding
* State-of-the-Art Reactor Consequence Analyses
* State-universal coupled cluster
* State of matter
* Static (radio)
* Static bar
* Static cling
* Static electricity
* Static forces and virtual-particle exchange
* Static margin
* Static pressure
* Static spacetime
* Static spherically symmetric perfect fluid
* Static universe
* Statics
* Stationary phase approximation
* Stationary spacetime
* Stationary state
* Statistical ensemble (mathematical physics)
* Statistical field theory
* Statistical finance
* Statistical mechanics
* Statistical noise
* Statistical physics
* Statistical thermodynamics
* Statistical weight
* Steady State (Thermodynamics)
* Steady State theory
* Steady state
* Steam devil
* Stefan Bernhard
* Stefan Hell
* Stefan Marinov
* Stefan Meyer (physicist)
* Ștefan Procopiu
* Stefan Rozental
* Stefan problem
* Stefan–Boltzmann constant
* Stefan–Boltzmann law
* Steinhart–Hart equation
* Stellar birthline
* Stellar black hole
* Stellar drift
* Stellar dynamics
* Stellar evolution
* Stellar kinematics
* Stellar magnetic field
* Stellar nucleosynthesis
* Stellar pulsations
* Stellarator
* Step response
* Stephan Herminghaus
* Stephan von Molnár
* Stephanie Wehner
* Stephen Barr
* Stephen Blundell
* Stephen D. Levene
* Stephen Gray (scientist)
* Stephen H. Davis
* Stephen Hawking
* Stephen Hsu
* Stephen L. Adler
* Stephen Parke
* Stephen Quake
* Stephen Salter
* Stephen Shenker
* Stephen Thorndike
* Stephen Thorsett
* Stephen Wolfram
* Steradian
* Stereopsis
* Stereoscopy
* Sterile neutrino
* Stern–Gerlach Medal
* Stern–Gerlach experiment
* Steven Chu
* Steven E. Jones
* Steven Frautschi
* Steven Girvin
* Steven Gubser
* Steven Gwon Sheng Louie
* Steven MacLean (astronaut)
* Steven Orszag
* Steven R. White
* Steven Soter
* Steven Weinberg
* Stewart–Tolman effect
* Sticking coefficient
* Sticky bead argument
* Stiction
* Stiffness
* Stilb (unit)
* Stimulated emission
* Sting jet
* Stirling Colgate
* Stirling cycle
* Stirling engine
* Stjepan Mohorovičić
* Stochastic cooling
* Stochastic electrodynamics
* Stochastic interpretation
* Stochastic resonance
* Stochastic vacuum model
* Stockbridge damper
* Stoddard engine
* Stokes' law
* Stokes' law (sound attenuation)
* Stokes' theorem
* Stokes (unit)
* Stokes Equations
* Stokes boundary layer
* Stokes drift
* Stokes flow
* Stokes number
* Stokes operator
* Stokes operators
* Stokes parameters
* Stokes relations
* Stokes shift
* Stokes stream function
* Stokes wave
* Stokesian dynamics
* Stoletov's law
* Stoletov curve
* Stoner–Wohlfarth theory
* Stoner–Wohlfarth astroid
* Stoner–Wohlfarth model
* Stoney units
* Stopping and Range of Ions in Matter
* Stopping power (particle radiation)
* Storage ring
* Storm surge
* Strain energy density function
* Strain energy release rate
* Strain hardening exponent
* Strain scanning
* Strain tensor
* Strange B meson
* Strange matter
* Strange quark
* Strangelet
* Strangeness
* Strangeness production
* Strange–Rahman–Smith equation
* Strato of Lampsacus
* Straw chamber
* Straw tracker
* Streak camera
* Stream function
* Stream thrust averaging
* Streaming vibration current/potential
* Streamline curvature theorem
* Streamline diffusion
* Streamlines, streaklines, and pathlines
* Strength constant
* Strength of materials
* Stress (mechanics)
* Stress concentration
* Stress intensity factor
* Stress measures
* Stress relaxation
* Stress–energy tensor
* Stress–energy–momentum pseudotensor
* Stretch rule
* String-net
* String-net liquid
* String (physics)
* String background
* String cosmology
* String duality
* String frame and Einstein frame
* String resonance
* String theory
* String theory landscape
* Strominger's equations
* Strong confinement limit
* Strong gravity
* Strong interaction
* Strongly correlated quantum spin liquid
* Strontium ruthenate
* Strouhal number
* Structural stability
* Structure and Interpretation of Classical Mechanics
* Structure constants
* Structure factor
* Structure formation
* Structure of liquids and glasses
* Structureless particle
* Stuart Ballantine
* Stuart Parkin
* Stuart Thomas Butler
* Stueckelberg action
* Subatomic particle
* Subatomic scale
* Subcircuit board
* Subcooled liquid
* Subcooling
* Subcritical reactor
* Subharmonic
* Subhelic arc
* Subir Sachdev
* Sublimation (Physics)
* Sublimation (phase transition)
* Subparhelic circle
* Subrahmanyan Chandrasekhar
* Subsonic and transonic wind tunnel
* Subsonic flight
* Substellar object
* Substitution method
* Subsun
* Subsynchronous orbit
* Subwavelength imaging
* Subwavelength optics
* Suction
* Sudbury Neutrino Observatory
* Sudden ionospheric disturbance
* Sudestada
* Suhas Patankar
* Sulamith Goldhaber
* Sultan Bashiruddin Mahmood
* Sum-frequency generation
* Sum-over-paths
* Sum frequency generation spectroscopy
* Sum rule in quantum mechanics
* Sumio Iijima
* Sun
* Sun dog
* Sun glitter
* Sun photometer
* Sun valve
* Sundance Bilson-Thompson
* Sunil Mukhi
* Sunlight
* Sunspot
* Sunstone (medieval)
* Sunyaev–Zel'dovich effect
* Super-Kamiokande
* Super-Poincaré algebra
* Super-lens
* Super-low frequency
* SuperB
* SuperGrid
* Super Dual Auroral Radar Network
* Super Large Hadron Collider
* Super Proton Synchrotron
* Super QCD
* Super Virasoro algebra
* Super black
* Super high frequency
* Super lens
* Superatom
* Supercavitation
* Supercell (crystal)
* Supercharge
* Supercluster
* Superconducting Super Collider
* Superconducting coherence length
* Superconducting magnet
* Superconducting magnetic energy storage
* Superconducting nanowire single-photon detector
* Superconducting quantum computing
* Superconducting radio frequency
* Superconducting tunnel junction
* Superconducting wire
* Superconductivity
* Superconductor Insulator Transition
* Superconformal algebra
* Supercontinuum
* Supercooling
* Supercritical airfoil
* Supercritical flow
* Supercritical fluid
* Supercurrent
* Superdeformation
* Superdense carbon allotropes
* Superdeterminism
* Superdiamagnetism
* Superdiffeomorphism
* Superexchange
* Superferromagnetism
* Superficial X-rays
* Superfield
* Superflare
* Superfluid film
* Superfluid helium-4
* Superfluid vacuum
* Superghost
* Superglass
* Supergraph
* Supergravity
* Supergroup (physics)
* Superheating
* Superhydrophobe
* Superinsulator
* Superlattice
* Superlens
* Superlense
* Superlenses
* Superlubricity
* Superluminal motion
* Supermanifold
* Supermassive black hole
* Supermatrix
* Supermatrix (supersymmetry)
* Supermultiplet
* Supernova
* Supernova Early Warning System
* Supernova nucleosynthesis
* Supernova remnant
* Superoperator
* Superoscillation
* Superparamagnetism
* Superpartner
* Superposition principle
* Superpotential
* Superprism
* Superradiance
* Superradiant laser
* Supersaturation
* Superseded scientific theories
* Superselection
* Superselection rule
* Supersolid
* Supersonic fracture
* Supersonic speed
* Supersonic wind tunnel
* Superspace
* Supersplit supersymmetry
* Superstatistics
* Superstring theory
* Superstructure (condensed matter)
* Supersymmetric gauge theory
* Supersymmetric quantum mechanics
* Supersymmetry
* Supersymmetry algebra
* Supersymmetry breaking
* Supersymmetry breaking scale
* Supersymmetry in quantum gravity
* Supersymmetry nonrenormalization theorems
* Supplee's paradox
* Supplemento al Nuovo Cimento
* Supralateral arc
* Suprathreshold stochastic resonance
* Sura Ionospheric Heating Facility
* Suraj N. Gupta
* Surely You're Joking, Mr. Feynman!
* Surface-tension values
* Surface Evolver
* Surface Science Reports
* Surface Water Simulation Modelling Programme
* Surface X-ray Diffraction (SXRD)
* Surface charge
* Surface conductivity
* Surface core level shift
* Surface energy
* Surface equivalence principle
* Surface extended X-ray absorption fine structure
* Surface force
* Surface forces apparatus
* Surface freezing
* Surface gravity
* Surface layer
* Surface phenomenon
* Surface phonon
* Surface photovoltage
* Surface plasmon
* Surface plasmon polaritons
* Surface plasmon resonance
* Surface power density
* Surface reconstruction
* Surface science
* Surface selection rule
* Surface states
* Surface tension
* Surfatron
* Survey magnetometers
* Survey meter
* Susan Cooper (physicist)
* Susan Houde-Walter
* Susan Hough
* Susceptance
* Susceptor
* Susskind–Hawking battle
* Sustain
* Sustained Spheromak Physics Experiment
* Svante Arrhenius
* Sven Kullander (physicist)
* Sverdrup wave
* Swami Jnanananda
* Swampland (physics)
* Swan band
* Swapan Chattopadhyay
* Sweep theory
* Swell (ocean)
* Swept wing
* Swihart velocity
* Swinging Atwood's machine
* Swiss Light Source
* Swiss roll (metamaterial)
* Sydney Chapman (mathematician)
* Sylvester James Gates
* Sylvia Fedoruk
* Sylwester Porowski
* Symbol rate
* Symbolic dynamics
* Symmetry (disambiguation)
* Symmetry (physics)
* Sympathetic cooling
* Sympathetic resonance
* Symplectic integrator
* Symplectomorphism
* Synchrocyclotron
* Synchronous coordinates
* Synchronous frame
* Synchronous orbit
* Synchrophasotron
* Synchrotron
* Synchrotron Radiation Center
* Synchrotron Radiation Source
* Synchrotron X-ray tomographic microscopy
* Synchrotron light source
* Synchrotron radiation
* Synergetics (Haken)
* Synroc
* Synthesis of precious metals
* Synthetic Metals
* Synthetic aperture sonar
* Synthetic element
* Synthetic gauge field
* Synthetic jet
* Synthetic schlieren
* Syntropy (Software)
* Syun-Ichi Akasofu
* Szczepan Szczeniowski
* Sándor Gaál
* Sándor Szalay (physicist)
* Sénarmont prism
* Sérgio Mascarenhas de Oliveira
* Søren Absalon Larsen
* Søren H. H. Larsen