Millions of light-years away, millions of years ago, a star exploded. In this violent process, it ejected incredible amounts of mass, including carbon, nitrogen and oxygen—the building blocks of life.

An optical spectrometer is an instrument used to measure properties of light over a specific portion of the light spectrum. These devices have found a wide range of practical applications. Dispersive ...

Spectroscopy seems simple: split a beam of light into its constituent wavelengths with a prism or diffraction grating, and measure the intensity of each wavelength. The devil is in the details, though ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Grazing incidence grating from the ...

Accurate measurement of trace elements in solid materials plays a vital role across a range of disciplines—from uncovering material origins and tracking chemical processes to detecting contamination ...

Ultrahigh-resolution mass spectrometry measured plutonium and samarium isotope ratios in irradiated uranium directly, ...