Example image of eyePlorer eyePlorer map for 'Speed of sound': Elasticity (physics) Sound Wave Density Earth's atmosphere Gas Pressure Compression Molecular mass Molecule Liquid Solid Water Fluid Shear stress Earthquake Compressibility Rigidity Transverse wave Toy model Elastic modulus Relativistic Euler equations Special relativity Hertz Ultrasound Dispersion relation Group velocity Phase velocity Helium Xenon Ideal gas Temperature Van der Waals equation Nitrogen Oxygen Acoustic shadow Refraction Sound speed gradient Ozone layer Stratosphere Celsius Atmosphere (unit) Heat capacity ratio Taylor series Bulk modulus Noble gas Kelvin Kilogram Mole (unit) Adiabatic