Radiation is a very broad term – both naturally occurring and man-made – but it is widely recognized as something you want to avoid, especially in high doses. The sources and types differ, but the overall effect of exposure to the kinds of radiation that cause damage to your body’s tissues is an increase in cancer risk.
Electromagnetic fields are lines of energy invisible to the naked eye. They are made by any type of electricity from power lines to appliances. Transmission lines will have different readings at different times based on transmission line loads. Outdoor EMF readings can be affected by trees, buildings, and vehicles in the area.
Click, click, click. The sound of a Geiger counteris often associated with nuclear weapons and fallout. While it is useful in these situations, it is also used every day for the detection and control of nuclear waste, by-products and exposure in nuclear power plants, hospitals and even mines.