radios

The 1930s Refrigerator-Radio Combo That Never Quite Took Off

The 1930s Refrigerator-Radio Combo That Never Quite Took Off

By the late 1930s the vast majority of American households had a radio. So how were radio manufacturers supposed to expand their market? By insisting that the ideal American home has a radio in every room. Sometimes that meant putting radios in the latest appliances — like right inside every…

What Is This? A Radio For Ants?

What Is This? A Radio For Ants?

A group of mechanical engineers at Columbia University have produced the world’s tiniest FM radio transmitter. At its heart is a micrometre-sized oscillator powered by one-atom-thick graphene. But more than serving as a lilliputian proof of concept for tiny broadcasting equipment, this could help revolutionise smartphones and other gadgets.