What are electromagnetic fields?
Electromagnetic fields are waves of electromagnetic energy that can be generated from natural and artificial sources. They are divided into two main categories:
- Ionizing radiation: Electromagnetic and particle radiation whose passage through matter directly or indirectly creates pairs of positively and negatively charged particles-ions (e.g. X-rays, gamma rays). Some sources of ionizing radiation are X-ray machines, CT scanners, nuclear medicine devices, radioactive waste).
- Non-ionizing radiation: Radiation that does not form ions when interacting with matter (e.g. radio waves, ultraviolet, infrared radiation) from devices such as cell phones, Wi-Fi routers and other wireless technologies.
Common sources of non-ionizing radiation include:
• Mobile communications networks: Base stations and mobile phones.
• Wireless communications: Wi-Fi networks, Bluetooth devices, and other wireless technologies.
• Household appliances: Microwave ovens, radios, and power lines.
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