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Hydrogen-alpha, typically shortened to H-alpha or Hα, is a deep-red visible spectral line of the hydrogen atom with a wavelength of 656.28 nm in air and...

In materials science, a grain boundary is the interface between two grains, or crystallites, in a polycrystalline material. Grain boundaries are two-dimensional...

Relativistic quantum chemistry combines relativistic mechanics with quantum chemistry to calculate elemental properties and structure, especially for the...

In physics, phenomenology is the application of theoretical physics to experimental data by making quantitative predictions based upon known theories....

In atmospheric science, geostrophic flow (/ˌdʒiːəˈstrɒfɪk, ˌdʒiːoʊ-, -ˈstroʊ-/) is the theoretical wind that would result from an exact balance between...

Thermal analysis is a branch of materials science where the properties of materials are studied as they change with temperature. Several methods are commonly...

Since the 19th century, some physicists, notably Albert Einstein, have attempted to develop a single theoretical framework that can account for all the...

An energy recovery linac (ERL) is a type of linear particle accelerator that provides a beam of electrons used to produce x-rays by synchrotron radiation...

Stationary-wave integrated Fourier-transform spectrometry (SWIFTS), or standing-wave integrated Fourier-transform spectrometry, is an analytical technique...

The Astronomy Centre at the University of Sussex, UK [1] undertakes research in Astronomy, Astrophysics and Cosmology. The Astronomy Centre boasts 12 permanent...