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{{r|Helium}}

...s where the nuclei of several [[Hydrogen]] atoms fuse to form an atom of [[Helium]]. Every star above the main sequence will be a luminous [[giant star]], n ...rugal rate at which the small, dim red dwarfs turn their [[Hydrogen]] to [[Helium]] make them long-lived, and the Universe is too young for any red dwarf to

{{r|Helium}}

...materials with electron microscopy (SEM, TEM, EDX, EELS, Lorentz etc) and helium ion microscopy(HIM).

...he scheme: ²³⁸U--->²³⁴[[Thorium|Th]] + ⁴[[Helium|He]] where the energy released in the transformation is Q=4.25[[Electron vo

...ted by a gas contained within an envelope. The most typical gas used is [[helium]].

...ing around it. It mainly consists of [[hydrogen]], which it converts to [[helium]] through a process of [[nuclear fusion]], providing the heat and light tha Hydrogen, about 75%; helium, about 25%; at least 70 other elements make up the remaining 1 to 2 percent

...lope and the ambient air. (This is in contrast to the more common use of [[Helium]] to provide lift.) Currently all thermal airships use hot air, as used in Thermal airships have the advantage of being less expensive than [[helium]]-based airships. They are also routinely deflated after each flight and c

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...he department of experimental nuclear physics was about pion scattering on helium.

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