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The properties of magnets and compasses are described, as well as the origins of magnetism Introduction to Magnetism: The properties of magnets and compasses are described, as well as the origins of ...

HERE is a readable book, excellently translated, for which we have again to thank Mr. H. L. Brose. Though it is called an introduction to the theory of relativity and gravitation, it is more strictly ...

The first evidence of a gravitational wave detected 100 years after Einstein imagined it -- proof that space actually vibrates -- drew standing-room only enthusiasts to two explanatory sessions this ...

The differences between conductors and insulators are described. Introduction to Static Electricity: The differences between conductors and insulators are described. Students learn how a static charge ...