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.

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 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