Helium
Chemical Element
White House: security screeners failed to ask about dinner crashers...Secret Service and the U.S. attorney to decide if the Salahis should face criminal charges. theft ! Mr. Salahi should place his wife in a helium tinfoil ballon and release her over Colorado ! They both are Spaced out ! Leave Your... In this article: White House, Robert Gibbs, Barack Obama, Helium, Joe Biden, and Manmohan Singh |
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Guardian | 10 hours ago
Large Hadron Collider becomes world's most powerful particle accelerator
...the French-Swiss border, was restarted 10 days ago after being shut down for more than a year while engineers repaired damage caused by a helium leak when it was first switched on in September last year. "The machine is working like a...
In this article: CERN, Champagne, Big Bang, Boson, Speed of light, and Positron
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The Register | 12 hours ago
LHC smashes Tevatron record: Humanity enters the unknown
...within the LHC probably aren't up to carrying the necessary loads, so in order to avoid any further electro-blast superfluid helium explosion unpleasantnesses - of the type which crippled the colossal machine last year - there will...
In this article: Champagne, Boson, Superfluid, Stephen Hawking, Dell, and IBM
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Northern Star | 17 hours ago
Thanksgiving parade balloons and volunteers bring smiles to streets of Chicago
...people checked in and were ready to get moving at 7 a.m. at a parking lot at the corner of State and Harrison. A semi with tanks of helium sat in the middle of the strangely deserted downtown lot. Surrounding it were the familiar faces of...
In this article: Chicago, Susan Boyle, NIU, Northern Illinois University, Illinois, and Northern Star
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washingtonpost.com | 3 days ago
D.C. tenants celebrate Thanksgiving as new homeowners
Three helium-filled balloons floated in the living room of Sabino and Maribel Quijano's Apartment 21, overlooking Mount Pleasant Street NW. One story above them in Apartment 31, Buena Flor Guzman and Hayde Constanza moved to salsa music...
In this article: Mount Pleasant and Washington, D.C.
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AP Online | 4 days ago
New Macy's Parade route means no cutting corners
...and Ronald McDonald this year, among others, measure several stories tall and wide and are filled with thousands of cubic feet of helium. Each balloon is tethered to several human handlers - the number depends on the size and shape of...
In this article: Macy's, Physics, Broadway, Springfield, and Graduate Center
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Detroit News | 4 days ago
Raw material shortage hurts U.S. bomb detection
...because the United States has run out of a crucial raw material, experts say. The ingredient is helium 3, an unusual form of the element that is formed when tritium, an ingredient of hydrogen bombs, decays. But the government mostly...
In this article: Homeland Security Department, Brad Miller, United States, Banana, Neutron, Plutonium, Uranium, Litter, and Pacific Northwest National Laboratory
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CBS | 4 days ago
Let There Be Floats! NYC Poised For Macy's Party
...History on Wednesday, but soon they'll be flying high above the city -- thanks to a lot of helium. "Spidey is about 35,000 cubic feet of helium," Hall said. "We have 35 smaller balloons. Those are all 5,000 to 12,000 cubic feet. This...
In this article: E mail, New York City, Spider-Man, Museum of Natural History, and Mickey Mouse
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Business Wire Entertainment News | 6 days ago
Linde and Macy's Celebrate 15-Year Partnership
...Kansas and Texas to Linde's helium production facility in Otis, Kansas - the world's second largest helium plant. After the helium is purified in Otis, it is liquefied and trucked across the country to Linde's plant in Middlesex, New Jersey.
In this article: Macy's, The Linde Group, New York City, Spider-Man, Sustainable development, Thanksgiving, and Manhattan
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Telegraph.co.uk - All news | November 20, 2009
Large Hadron Collider restarts after 14 months of repairs
...- some of them 50 feet long - were damaged and had to be replaced. An electric arc punctured the container holding the liquid helium used to keep the collider at a temperature colder than outer space for maximum efficiency. Six tons of...
In this article: Physics, Big Bang, and Michigan State University
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BBC News | November 20, 2009
Restart for 'Big Bang' experiment
...later, an electrical fault in one of the connections between superconducting magnets caused a tonne of liquid helium to leak into the tunnel. Liquid helium is used to cool the LHC to its operating temperature of 1.9 kelvin (-271C; -456F).
In this article: Big Bang, Physics, Boson, Speed of light, and Particle
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Description from Wikipedia:
Helium (He) is a colorless, odorless, tasteless, non-toxic, inert monatomic chemical element that heads the noble gas group in the periodic table and whose atomic number is 2. Its boiling and melting points are the lowest among the elements and it exists only as a gas except in extreme conditions.
An unknown yellow spectral line signature in light was first observed from a solar eclipse in 1868 by French astronomer Pierre Janssen who is jointly credited with the discovery of the element with Norman Lockyer who observed the same eclipse and was the first to propose this was a new element which he named helium. In 1903, large reserves of helium were found in the natural gas fields of the United States, which is by far the largest supplier of the gas. The substance is used in cryogenics, in deep-sea breathing systems, to cool superconducting magnets, in helium dating, for inflating balloons, for providing lift in airships and as a protective gas for many industrial uses (such as arc welding and growing silicon wafers). Inhaling a small volume of the gas temporarily changes the timbre and quality of the human voice. The behavior of liquid helium-4's two fluid phases, heliumĀ I and heliumĀ II, is important to researchers studying quantum mechanics (in particular the phenomenon of superfluidity) and to those looking at the effects that temperatures near absolute zero have on matter (such as superconductivity).
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