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Helium   /hˈiliəm/   Listen
Helium

noun
1.
A very light colorless element that is one of the six inert gasses; the most difficult gas to liquefy; occurs in economically extractable amounts in certain natural gases (as those found in Texas and Kansas).  Synonyms: atomic number 2, He.



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"Helium" Quotes from Famous Books



... cut $ 130 billion in spending by shrinking departments, extending our freeze on domestic spending, cutting 60 public housing programs down to 3, getting rid of over a hundred programs we do not need like the Interstate Commerce Commission and the Helium Reserve Program. ...
— Complete State of the Union Addresses from 1790 to the Present • Various

... that imagination need set no bounds to its flights in considering the possibilities of the future. Within but a few years we have made such discoveries as two centuries ago would have sent the discoverer's to the flames. The liquefaction of oxygen; the existence of radium, of helium, of polonium, of argon; the different powers of Roentgen and Cathode and Bequerel rays. And as we may finally prove that there are different kinds and qualities of light, so we may find that combustion may have its own powers ...
— The Jewel of Seven Stars • Bram Stoker

... Tom hopped a jet scooter and sped off to his private laboratory. The modernistic glass-walled structure—designed by Tom himself—had every tool of modern scientific research, from electronic microscope to helium cryostat. ...
— Tom Swift and the Electronic Hydrolung • Victor Appleton

... quote. 'Harder than Pharaoh's heart.' 'Colder than frozen helium,' and all the rest. But this thing about Brownie...." He reached out; two hard hands met in a crushing grip. "How could you possibly lay off? Just the strain, if ...
— The Galaxy Primes • Edward Elmer Smith

... failed to yield any evidence that was generally regarded as offering any support to this hypothesis. About the beginning of the 20th century, however, the view was promulgated that the spontaneous production of helium from radium may be an instance of the transformation of one element into another. (See RADIOACTIVITY; also ...
— Project Gutenberg Encyclopedia

... [alpha]-particles, that is, moving at the rate of about 180,000 miles per second. The [gamma]-rays are probably pulsations of the ether, the medium supposed to fill space. The emission of [alpha]-rays by radium is accompanied by the production of the inert elementary gas, helium; therefore, the [alpha]-rays are, or quickly change into, rapidly moving particles of helium. The particles which constitute the [beta]-rays carry electric charges; these electrified particles, each approximately a thousand ...
— The Story of Alchemy and the Beginnings of Chemistry • M. M. Pattison Muir

... with pentothal in your veins and wires running out of your head and tell them about the still waters of Korus, or the pennons flying from the twin towers of Greater Helium or the way the tiny, slanting sun gleamed at dawn through the rigging of ...
— The Hills of Home • Alfred Coppel

... cylinders contain, or rather did contain, for I expect that Koskoff has emptied them, helium in ...
— Astounding Stories of Super-Science, March 1930 • Various

... repeated by chemists all the world over, his apparatus was treasured in London, he became, as they used to say, 'classic,' and always, at every one of the innumerable repetitions of his experiment, that sly element argon was hiding among the nitrogen (and with a little helium and traces of other substances, and indeed all the hints that might have led to the new departures of the twentieth-century chemistry), and every time it slipped unobserved through the professorial ...
— The World Set Free • Herbert George Wells

... 1905 that as helium was continually being evolved at a uniform rate by radioactive substances (in the form of the alpha rays) a determination of the age of minerals containing the radioactive elements might be made by measurements of the ...
— The Birth-Time of the World and Other Scientific Essays • J. (John) Joly

... and their rivalry, which has sometimes delayed progress, still continues. The chief practical objection to machines lighter than air is that they are buoyed up by vulnerable receptacles containing hydrogen or some other highly inflammable gas. As soon as helium, which is a light non-inflammable gas, shall be produced in quantity at a reasonable expense, this objection will be lessened. The advantage of the lighter-than-air, or floating, machine over the heavier-than-air, or soaring, machine is that it can ...
— The War in the Air; Vol. 1 - The Part played in the Great War by the Royal Air Force • Walter Raleigh



Words linked to "Helium" :   he, inert gas, argonon, atomic number 2, chemical element, element, helium group, noble gas



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