Plasmon-enhanced molecular spectroscopies have attracted tremendous attention as powerful detection tools with ultrahigh sensitivity down to the single-molecule level. The optical response of ...

Atoms emit unique light wavelengths when electrons change energy levels. A star's temperature and composition are revealed by its light spectrum. Strongest hydrogen lines appear in stars around 10,000 ...

An international team of astronomers led by professor Neeraj Gupta, astronomer at the Inter University Centre for Astronomy and Astrophysics (IUCAA), India, on Wednesday released the most ...