What is the mechanism by which neon signs emit light? Why is argon used to fill incandescent light bulbs?

We review experimental and theoretical work on cold, trapped metastable noble gases. We em- phasize the aspects which distinguish work with these atoms from ... Mar 15, 2014 ... A detailed study of the radiative precursor that develops ahead of converging blast waves in gas-filled cylindrical liner z-pinch ... Dec 10, 2004 ... Scientists are warning that supplies of helium could run dry by the end of the century if current consumption rates continue. noun : any of a group of rare gases that include helium, neon, argon, krypton, xenon, and usually radon and that exhibit great stability and extremely low ... Measurement of Tritium, Helium, Neon, 3He/4He and Noble Gases in Ground Water Samples. Lead PI: Peter Schlosser. Unit Affiliation: Geochemistry ... Jul 31, 2019 ... Technicians are using the second element in the periodic table to test containers used to overpack leaking chemical munitions at the Blue ... Mar 21, 2017 ... Neon lights give an electrifying red-orange colour, while argon lamps are lavender blue and xenon lamps can be blue-green. Noble gas ... The noble gases (historically the inert gases, sometimes referred to as aerogens) are the members of group 18 of the periodic table: helium (He), ... Snapshots of mean ocean temperature over the last 700 000 years using noble gases in the EPICA Dome C ice core. 14 April 2021. Using the temperature- ... Oct 20, 2022 ... Noble gases and nitrogen isotopes in Ryugu grains are inherited from Ryugu's parent body and potentially provide information about the source of ...