Demonstrates how electricity can be produced from magnets through various experiments. It explains that electric currents can create magnetic effects, forming electromagnets that only work while ...

Scientists are now proposing a novel approach to achieve greater memory density while producing less heat: by using an electric field instead of a current to turn magnetism on and off, thereby ...

THE careful instructions for the eighty-five experiments contained in this little book, together with the useful hints for the construction of apparatus, should serve very well to introduce young ...

Scientists in the United States have created a small device that produces a tiny electrical signal from Earth’s natural rotation. Although the voltage is extremely small, the experiment shows that ...

Magnets, how do they work? Although the quantum mechanics behind ferromagnetism are by no means easy, a few simple experiments can give you a good grasp of how magnets attract and repel each other, ...

SINCE the third edition of this volume was published in 1915, the theory of relativity has been developed. It is now recognised that Maxwell's theory that the ultimate seat of electromagnetic and ...

Coral Gables, Fla. (Feb. 17, 2014) -- There is a big effort in industry to produce electrical devices with more and faster memory and logic. Magnetic memory elements, such as in a hard drive, and in ...