Important questions are discussed: transport equations of waves through weak inhomogeneous media, turbulent acceleration and magnetic dynamo.

讨论了如下重要课题：弱非均匀性介质中波的传播方程，湍动加速和磁发电机制。

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Lunar dynamo Scientists may have solved one of the Moon's enduring mysteries: why there are magnetised rocks on the lunar surface, when the Moon has no global magnetic field.

科学家可能已解开了一个存在多时关于月亮的谜团：为什么月亮没有全球性的磁场，而月球的表面还会有磁石的存在。

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The field is generated in the Earth’s core as it spins, creating a dynamo," and the magnetic poles don’t line up with the Earth’s physical poles.

磁场产生于地球快速旋转的中心，并产生发电。” 而且磁极与地球的物理两级并不在一条直线上。

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When something that conducts electricity sweeps through a magnetic field, a current starts to flow through it (this is the basis of a dynamo).

ECONOMIST: Here be serpents