PROF HARNWELL'S book is an interesting, and on the whole successful, combination of the classico-theoretical and modern-practical treatments of electromagnetism. We have, for example, in Chapter i the ...

To any student with a good knowledge of mathematics and physics, and desirous of obtaining a sound basis of the principles of electromagnetism, this book can be recommended. It is clearly written and ...

Magnetism is due to the magnetic fields around magnets. The fields can be investigated by looking at the effects of the forces they exert on other magnets and magnetic materials. Electromagnets - AQA ...

Part of Combined Science Interactions over small and large distances The strength of the electromagnet can be increased by passing more electric current through the coils and/or wrapping more coils ...

How does the imagination work? How can it lead to both reverie and scientific insight? In this book, Kieran M. Murphy sheds new light on these perennial questions by showing how they have been closely ...

Metal and magnetism; light and darkness; as well as sound and silence all come into play at the Takis exhibition at the Tate Modern, as Rachel Brazil discovers From July to October this year, 70 of ...