Ships are guided into harbor through fog by wireless direction, and the captain was guided thereto by radio compass and radio beacon, and at sea summons aid in case of mishap or danger.
In commerce one may send letters, telegrams, bank drafts, or engineer’s drawings, as radio photographs of the originals, with photographic accuracy and autographic authenticity.
Men on the ground talk with men in a flying machine out of sight in the sky, an almost inconceivable fact.
This reason alone would warrant one in predicting that the defense of our country is definitely going to pass from the limited activities of the Army and Navy to an Air Department, for the plane has no boundary or limit of range in offense or defense.
And in addition there is the wireless direction of bomb-dropping airplanes, torpedo submarines, and floating mines, inanimate agencies obeying the distant, unseen hand.
And ultimately power will be transmitted to populous areas, over wireless channels, from the enormous unworked coal fields away up in the Arctic Circle.
The applications of radio are coming so fast in industry that it is hard to keep informed, but doubtless its most extended use will be in the home.
The use of microphone modulated radio to carry music and speech to our homes celebrated its fourth anniversary only two weeks ago.
And yet in this brief space (1) millions on millions have been entertained with the very best the artist has to offer; (2) a singer has been heard around the world; (3) and our President has addressed his fellow Americans as a single audience.
When onto the boundless range of audible radio is grafted the world-wide appeal of the picture, the ideal means of entertainment would seem to have been attained, for the picture is without language, literacy or age limitation.