Researchers at the Max Planck Institute for the Structure and Dynamics of Matter (MPSD) have developed an innovative method to study ultrafast magnetism in materials. They have shown the generation ...

You can check this by placing the compass next to the bowl. The needle is being affected by the Earth’s magnetic field. One end points towards magnetic north and the other end points south.

Such reversals in the Earth's magnetic field, they'd tell you ... So hang on to your compass. For the foreseeable future, it should work as advertised.—Peter Tyson ...