Are your spark plugs overdue for replacement? Watch for signs like poor performance, engine knocking, and decreased fuel ...

The spinning steel and plastic components of a combine, insulated from the ground by rubber tires and plastic skid shoes on small grain platforms, have been proven to create a static electric charge ...

Electric sparks are used for welding, powering electronics, killing germs or for igniting the fuel in some car engines. Despite their usefulness, they are hard to control in open space, they split ...