it wasn't invented, because of the war
Radios have to wireless sound because more radios exspeshualy in the present days are wireless they have no cord or plug for them to work you just push a button then then you have sound.
If you think about it all radios are actually wireless. Thus as the radio was invented in Victorian times - the Victorians DID have wireless radios.
Stop the use of wifi, radios, televisions, satellites, cellular phones, microwaves and any similar wireless devices?
There are many technologies used by Police Officers to solve crimes and catch criminals. Some of these technologies are Wireless Radios, Desktop Computers, the Internet, Close Circuit Television.
radios ,television sets and stereos
radios
If the question means "What does electricity do for us?" then we could mention lighting, heating, cookers, refrigerators, telephones and cellphones, radios, TVs, computers for a simple start. If the question seeks to differentiate between electric voltage and electric current, then voltage is the measure of the energy of an electric charge and current is a measure of the flow of the charge.
Turn down the AC / heat by a few degrees. Don't leave the water running. Shut lights, TV, appliances, computers, radios, ect. off. Recycle. Use cold water to wash clothes instead of hot water (when possible). All of these will help the environment, and also reduce your electric, heating, and / or water bills.
radios and radiowaves
No, not even radios!
For stuff like radios and television
Home electronic