John Randall made the cavity magnetron produce small electromagnetic waves at an acceptable amount, and then Percy Spencer stood so close to one that his candy bar melted—and this inspired him to take the cavity magnetron and turn it into a food cooker. By 1967, the “microwave oven” was small enough and cheap enough for the home; families could prepare food faster, and eat TV dinners, leading to the decline of Family Dinners and the rise of Primetime Television audiences.