What Does a Radio Uses to Carry Sound?
Does radio actually carry sound? Yes, radio uses radio waves to carry sound from one place to another. In radio broadcasting, plays, music or other sounds are turned...
Read MoreWhen Was the Telephone Invented? The invention of the telephone was the culmination of work done by many individuals, and involved an array of lawsuits founded upon the...
Read MoreWhy Do Light Bulbs Have Glass Bulbs? The glass bulb protects the light’s filament. Inside a light bulb, electricity passes through a thin wire called a filament....
Read MoreHow Are Sewing Needles Made? A sewing needle is a long slender tool with a pointed tip that is used for stitching. A hand sewing needle has a hole on the non pointed...
Read MoreHow Does My Voice Go over the Telephone? A basic phone consists of a microphone (which you talk into), an apparatus to change your voice into electric signals, a means...
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