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Electromagnetic fields
- What are electromagnetic fields?
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Optical radiation
Ionising radiation
- What is ionising radiation?
- Radioactivity in the environment
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- What are the effects of radiation?
- Effects of selected radioactive materials
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Sun - but safe!
Ultraviolet (UV-) radiation is electromagnetic radiation. The sun is the most influential source of natural UV-radiation. Sunrays are composed of warmth-emitting infrared-radiation, light and UV-radiation.