Question : [Ques] Who invented the phonograph? …When Thomas Edison invented the phonograph in 1877, he dubbed it a “speaking machine” — an apt description for the first device that allowed for the recording and playback of sound. The phonograph Continue reading [Ques] Who invented the phonograph?
Question : [Ques] Was a microwave invented by accident? … Some inventions have amazing stories behind, so does the microwave – a thing we can’t live without today. In the 1940’s Percy Spencer noticed his chocolate bar melted in his Continue reading [Ques]
Was a microwave invented by accident?