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How a Helium Balloon Works (Popularity:  )
(Score: 10.11)
Explanation of lifting capabilities of helium, hydrogen and hot air balloons, from How Stuff Works.
Category: Science\Physics\Classical Mechanics
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Löwener Vacuumservice (Popularity: )
(Score: 9.93)
Löwener Vacuumservice AB builds helium leak test systems, helium leak detection machines, vacuum systems, multichamber ...
Category: Science\Instruments and Supplies\Laboratory Equipment\Vacuum
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Superfluid Helium (Popularity: )
(Score: 9.79)
A site with information on the production and properties of Superfluid Helium (He II).
Category: Science\Technology\Chemical Engineering\Heat Transfer and Thermodynamics
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Helium-Neon Lasers (Popularity: )
(Score: 9.19)
presents the theory and applications aspects of Helium-Neon Lasers.
Category: Science\Physics\Optics\Lasers
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It's Elemental: Helium (Popularity: )
(Score: 7.12)
Basic physical and historical information.
Category: Science\Chemistry\Elements\Helium
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Corrosionsource.com: Helium (Popularity: )
(Score: 7.12)
History, sources, properties, isotopes, and uses.
Category: Science\Chemistry\Elements\Helium
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Especiál Gas Inc.: Helium (Popularity: )
(Score: 7.12)
Numeric data, uses, and general information.
Category: Science\Chemistry\Elements\Helium
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Britannica Nobel Prize: Helium (Popularity: )
(Score: 7.04)
Detailed overview and data.
Category: Science\Chemistry\Elements\Helium
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Kihei (Popularity: )
(Score: 7.04)
Manufacturer of Geiger tubes and Helium-3 neutron detectors.
Category: Science\Instruments and Supplies\Laboratory Equipment\Radiation Measurement
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Lenntech: Helium (Popularity: )
(Score: 6.97)
Physical data, chemical properties, and health effects.
Category: Science\Chemistry\Elements\Helium
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ChemicalElements.com: Helium (Popularity: )
(Score: 6.97)
Basic information, atomic structure, and table of isotopes.
Category: Science\Chemistry\Elements\Helium
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Wikipedia: Helium (Popularity: )
(Score: 6.97)
Properties of the element, including its history, applications, and charateristics.
Category: Science\Chemistry\Elements\Helium
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WebElements: Helium (Popularity: )
(Score: 6.97)
Extensive information on history, uses, occurrence, and properties of the element.
Category: Science\Chemistry\Elements\Helium
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EnvironmentalChemistry.com: Helium (Popularity: )
(Score: 6.89)
Atomic structure, chemical and physical properties, and table of nuclides.
Category: Science\Chemistry\Elements\Helium
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Visual Elements: Helium (Popularity: )
(Score: 6.89)
Image, animation, discovery, uses, physical information, and key isotopes.
Category: Science\Chemistry\Elements\Helium
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A-VAC Industries (Popularity: )
(Score: 6.82)
A source for vacuum pump equipment, used highvac products, and helium leak detectors.
Category: Science\Instruments and Supplies\Laboratory Equipment\Used and Surplus
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Nobel Prize in Physics, 1996: Richardson, Lee, and Osheroff (Popularity: )
(Score: 6.82)
The story of the discovery of superfluid Helium-3
Category: Science\Technology\Cryotechnology
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AddMS (Popularity: )
(Score: 6.68)
Manufacturer of Helium leak detector and residual gas analyzer mass spectrometers. Small size is the ...
Category: Science\Chemistry\Analytical\Mass Spectrometry
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NASA Scientific Ballooning Program (Popularity: )
(Score: 6.41)
Large unmanned helium balloons for NASA.
Category: Science\Technology\Space\NASA
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Analytical Testing Services, Inc. (Popularity: )
(Score: 6.40)
Suppliers of rebuilt helium leak detectors, parts, and services.
Category: Science\Instruments and Supplies\Laboratory Equipment\Vacuum
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