The transfer of energy by waves spreading through space or within any matter.קרא עוד >
Terms beginning with R
An instrument, device or technological system that produces or may produce non-ionizing radiation during its operation. Examples of radiation sources: cordless phones, mobile phones, cellular base stations, broadcasting stations, power lines, transformer stations, etc.קרא עוד >
A segment of the electromagnetic spectrum with wavelengths longer than those of the infrared segment. The range of RF, as defined by the International Telecommunications Union, is wide and ranges from 3 KHz to 300 GHz respectively.
Any attribute, characteristic or exposure of an individual that increases the likelihood of developing a disease or injury (source: WHO, http://www.who.int/topics/risk_factors/en/).קרא עוד >