A hammer, for example, is not just a tool for inserting nails into a wall. It has quite often been used as a killing weapon. The practice of science has long ago ceased being solely a method to search for the truth. In the United States, there are over 110,000 elementary schools serving over 49 million students in two million classrooms. Schools will often be located there because the land is very cheap to lease from power companies.
Countless homes are near such lines and electric substations throughout the country.
In 1993, teachers and parents in Santa Clara, California demanded that something be done at Montague Elementary School. From 1983 to 1993, there had been a high incidence of cancer among the teachers at that school and three cancer related deaths. There were 15 teachers at the school at the time. The school decided to vacate the classrooms closest to the power lines. In 1991, the Slater Elementary School in Fresno, California came under scrutiny when it was discovered that fifteen people working at the school on the side nearest the power transmission lines had contracted some kind of cancer.