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...f. The normal response is for the big toe to turn downward and the toes to curl. If the Babinski sign is present, the big toe turns upward and the toes may

:<math>\mathrm{curl}\ \mathbf H = 0 \ , </math> The representation of an irrotational (curl free) vector field by a scalar potential is a consequence of [[Helmholtz de

in which the [[vector potential]] '''A''' is introduced though the [[curl]] '''&nabla;'''×'''A'''. The expansion for '''B''' follows by taking the curl,

Here <math>\scriptstyle \boldsymbol{\nabla} \times </math> is the [[curl]] and ''V'' is a finite volume of the current generating the '''B'''-field ...he perpendicular (transverse, divergence-free) and parallel (longitudinal, curl-free) components. The operator <b>&nabla;</b> acts on unprimed coordinates

an irrotational (also known as curl-free or longitudinal) field and a solenoidal (also known as divergence-free

...magnetic induction), and the symbol '''&nabla;'''&times; stands for the [[curl]] of '''E'''.

where '''H'''('''r''') is the [[magnetic field]]. Since the divergence of the curl is always zero,

...MV) cannot live and reproduce by itself. WSMV is transferred through wheat curl mite to the crop. This mite is an arthropod. It is so extremely small in si {{Image|Wheat curl mite.jpg|right|200px|A wheat curl mite}}

...y elaborate vector equations, involving abstract mathematical notions as [[curl]] and [[divergence]].<ref>Of course, ''H&psi;=E&psi;'' may look simple, but ...[[divergence]] of a [[vector field]] and '''&nabla;&times; ''' for its [[curl]].

...ay an important role. They are the [[gradient]], the [[divergence]], the [[curl]], and the [[Laplacian|Laplace operator]]. It is possible to derive general and its curl is given by

* Curl, Donald W. ''Murat Halstead and the Cincinnati Commercial.'' (1980). 186 p

One foolish error is to just collapse, retreat or curl up, letting the attacker control the situation completely; in that case, he

here '''&nabla;'''×'''A''' is the [[curl]] of '''A'''.

...ssume that '''F''' is [[conservative (physics)|conservative]], i.e., its [[curl]] vanishes, otherwise the potential cannot be defined. If '''F''' is conse

*[[Robert Curl]], (born 1933), winner of 1996 [[Nobel Prize in Chemistry]]

...n for '''E''' into the fourth Maxwell equation and use the definition of [[curl]] as a determinant,

:<math>\mathrm{curl} \left(\frac{\mathbf B}{\mu_0} - \mathbf M \right ) = \mathbf j ,</math>

|hooded snakes (and curl snake)

...''Versuch einer Theorie'' Lorentz employed vector analysis concepts like [[curl]], [[grad]], and [[div]]. The 1890s were the years that [[Willard Gibbs]]

...and of receiving treatments by methods of linguistic philosophy.<ref name="Curl"> | last = Curl