Hydrogen nano-clusters at low temperatures display 'superfluidity'—a quantum state of frictionless flow only previously observed in helium.

Evans found that the 4686 series and the Pickering series can be obtained in a helium spectrum showing no trace of the ordinary hydrogen lines. These series were observed a few years ago by Prof.

A CONTINUOUS radiation from hydrogen beginning in the blue violet ... shows no unusual intensity at the corresponding shade in the spectrum.

CARB reveals the number of fueling stations actually shrunk in 2024, and some open stations only work with a caveat or two.

They are distinguished from other SNe by the presence of hydrogen in their spectra. Based on the shape of their light curves, they are usually divided into Type IIL and Type IIP. Type IIL SNe show ...

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 ...

capable of efficiently pairing with silicon for broader solar spectrum utilization." As part of their study, Sun and his colleagues applied their proposed hydrogen annealing method to a cadmium ...