Thursday, May 19, 2016

fluid dynamics - Can anyone explain what a superleak is?


In the context of Helium can anyone explain what a superleak is and why it could be useful?




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classical mechanics - Moment of a force about a given axis (Torque) - Scalar or vectorial?

I am studying Statics and saw that: The moment of a force about a given axis (or Torque) is defined by the equation: $M_X = (\vec r \times \...