They are used to make popcorns!Also astronomers use them to study about the structures of nearby galaxies including the milky way.
They can be used for terrestrail television communication.
They are produced by oscillating electric currents in a transmitting aerial or antenna.
They are radio waves with very short wavelengths.
They are produced by special electronic devices such as the klystron tube.
They are used for satellite communication.Satellite television and mobile phone networks make use of microwaves too!
One of the ways microwaves are used in our daily lives is when we heat up food in a microwave oven.
This is the only part of the electromagnetic spectrum that can be seen with our eyes.
Examples of visible light is the colours of the rainbow,which consists of the following colours:red,orange,yellow,green,blue,indigo and violet.
Yes,they are emmited by the sun and it is the Ultra-Violet rays that causes sunburns on our skin.If the skin is exposed to Ultra-Violet rays for too long,it may cause skin cancer
They are used to detect counterfeit money and are used in sunbeds.
They are used by doctors and dentists for checking of broken bones,cracked bones or fractured bones and dental inspection respectively.
Nuclear power plants,Big particle accelerators(these can only produce gamma rays sometimes.)and the last but not least The Universe.
Infra-red means beyond red.These waves are just beyond the red end of the electromagnectic spectrum.In actual fact,every object emit infra-red radiation.
They are used in intruder alarms and remote controls.