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Uses of radiowaves
Broadcasting (radio, TV)
Mobile phones
WiFi and Bluetooth
GPS signals
Radar systems
Communication with spacecraft
Microwaves
Microwave ovens (heating food)
Satellite communication
Weather radar
Speed cameras
Wireless networks (some frequencies)
Infrared waves
Remote controls
Thermal imaging cameras
Night-vision equipment
Heating (heat lamps)
Optical fibre communication
Sensors (motion detectors)
Visible light
Human vision
Photography and video
Lasers (cutting, surgery, pointers, reading discs)
Lighting
Microscopes and telescopes
Ultraviolet
Sterilisation and disinfection
Detecting forged banknotes
Sun beds
Fluorescent lamps
Medical and laboratory applications (UV spectroscopy)
Vitamin D production in skin
X-rays
Medical imaging (bones and teeth)
Security scanners (airports)
Industrial inspection (cracks in metal)
Astronomy (studying high-energy cosmic objects)
Gamma rays
Cancer treatment (radiotherapy)
Sterilising medical equipment
Killing bacteria in food (food irradiation)
Nuclear industry
Scientific research (nuclear and particle physics)