By Paul F. P. Pogue From Ask Angi For much of the nation, keeping homes cool is one of the most energy-intensive tasks around the house, consuming about 6% of all electricity in the United States. Because of that, your cooling system is often foremost on your mind in summer. Here are four questions to…

Electricity Efforts to understand and harness electricity began in the 18th century. Scientists thought electricity could be used to create a cheap way for people to light their homes. One of the most notable pioneers in electricity was Thomas Edison, who developed the first practical electrical light bulb in the late 1870s. Edison launched a…