How Bug Zappers Work

Whil­e you have fun outdoors, many insects get to enjoy a good meal. Either they're eating your food or they're eating you. To clear your yard of these insects, you can try a variety of devices, ranging from simple Citronella candles to elaborate traps to pesticides (such as Dursban) to electronic bug zappers. A bug zapper, more formally known as an electronic insect-control system or… » Full Story on HowStuffWorks