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 ...

Plasma, the fourth state of matter, is by far the most abundant form of known matter in the universe. Its behavior is very different from the other states of matter we are usually familiar with. To ...

Physics, the study of space, time, matter, and energy, is a fundamental component of a liberal education. Physics, the study of space, time, matter, and energy, is a fundamental component of a liberal ...

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 ...

IN English schools of the present day the teaching of Experimental Physics is, with few exceptions, either neglected or abused. Yet there can be little doubt that this subject ought to be an integral ...

The difference between static discharge and continuous current is explained. Introduction to Electric Current: The difference between static discharge and continuous current is explained. Sources of ...

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 ...