-
769.
Solid state electronics
Subjects
ElectronicsSolid state physics
-
770.
Solid state physics
Subjects
Physics
-
771.
Solid-state lasers
Subjects
Lasers
-
772.
Sound
Subjects
Radiation
-
773.
Sound measurement
Subjects
Physical measurements
-
774.
Sound-waves
Subjects
AcousticsWaves
-
775.
Soundproofing
Subjects
Architectural acoustics
-
776.
Space and time
Subjects
MetaphysicsFourth dimension
-
777.
Space astronomy
Subjects
Astronomy
-
778.
Space biology
Subjects
BiologySpace sciences
-
779.
Space environment
Subjects
Outer space
-
780.
Space exploration
Subjects
AstronauticsInterplanetary voyages
-
781.
Space sciences
Subjects
-
782.
Space telescopes
Subjects
Telescopes
-
783.
Space vehicles
Subjects
Space explorationVehicles
-
784.
Special relativity (Physics)
Subjects
Relativity (Physics)
-
785.
Specific heat
Subjects
Calorimetry
-
786.
Spectrometers
Subjects
-
787.
Spectrophotometry
Subjects
Astronomical photometryAnalytical chemistry
-
788.
Spectroscope
Subjects
Astronomical instruments
-
789.
Spectrum analysis
Subjects
AstrophysicsInterferometryOpticsChemistryQualitative chemical analysisRadiationTheory of wave motion
-
790.
Spectrum of the stars
Subjects
Astronomical spectroscopy
-
791.
Speed
Subjects
Motion
-
792.
Spherical astronomy
Subjects
Geodesy
Last updated dated: 08/11/2025