Electrostatics and its applications

What is electrostatics? To the mathematician, it is an absorbing line of theory. To the physicist, it is a science of many and varied manifestations. To the engineer, it is a nuisance or hazard he must eliminate, or again, it represents the perfecting of an application the world needs. To the ecologist, it is a major means of preventing pollution of the atmosphere. To the secretary, it is liberation from coping with batches of carbon copies. To the housewife, it is a nuisance when it makes dust stick to her walls. …