Hot gases don’t produce a continuous emission spectrum. Black hydrogen absorption lines are at the same wavelength as the bright hydrogen emission lines. Key fact Line emission spectra are ...

An international team of astronomers has investigated a newly detected Type II supernova designated SN 2024jlf. The new study ...

The U.S. and China are leading the G20 in efforts to develop hydrogen fuels, according to new research from the University of ...

Hydrogen fuel cell vehicles bring together the power of combustion and the efficiency of electric propulsion while addressing the limitations of both. Ahh, hydrogen—the simplest and most ...