Noble gas in the United States alone. For large-scale use, helium is extracted by fractional distillation from natural gas, which can contain up to 7% helium. Neon, argon, krypton, and xenon are obtained from air using the methods of liquefaction of gases, to convert elements to a liquid state, and fractional distillation, to separate mixtures into component parts. Helium is typically produced by separating it from natural gas, and radon is isolated from the radioactive decay of radium compounds. The prices of the noble gases are influenced by their natural abundance, with argon being the cheapest and xenon the most expensive. As
The Noble Sage Art Gallery writers and poets. They include: The Noble Sage Art Gallery The Noble Sage Art Collection is a contemporary art gallery in Belsize Park, North London. It was opened by Jana Manuelpillai in 2006. The gallery specialises exclusively in Indian, Sri Lankan and Pakistani contemporary art and represents over forty artists. The collection includes over 500 artworks, most of which are paintings, sculpture and works on paper from south Indian states of Tamil Nadu, Kerala and Karnataka. Artists shown at the gallery include: The Noble Sage holds regular screenings of art house films from the Indian Subcontinent. The Noble Sage has