What helicity can tell us about solar magnetic fields
Pevtsov, Alexei A., What helicity can tell us about solar magnetic fields, Journal of Astrophysics and Astronomy, 29, 49-56 (2008) (ADS)
(click on the image for a larger version)
Illustrating the operation of a "helicity meter" to help unravel knotty problems
in solar physics.
This cartoon has an accompanying couplet penned by J.O. Stenflo, another
cartoonist whose artistry graces this
Archive:
"If you are after good publicity,
you should not speak about current helicity.
We must nevertheless speak of helicity because this concept is so intertwined
with the global properties
of our magnetized, current-carrying plasmas.
Illustrating the operation of a "helicity meter" to help unravel knotty problems in solar physics. This cartoon has an accompanying couplet penned by J.O. Stenflo, another cartoonist whose artistry graces this Archive:
"If you are after good publicity,
you should not speak about current helicity.
We must nevertheless speak of helicity because this concept is so intertwined with the global properties of our magnetized, current-carrying plasmas.