The Radio Boys' First Wireless Or Winning the Pemberton Prize

rs of laughter in which t

phone. It takes you anywhere you want to go in a fraction of a second. In the last few minutes, we've covered quite a section of the United St

hot dogs at Coney Island," whispered the i

m sharply and

together with the exact time that the selections will be given. At a given minute you can make your adjustment and listen to a violin solo, a band concert, a political speech, a

one. I can't hope to do much more than touch the surface of the subject to-night, for I don't want to tire you out, and there'

icity is-Mr. Edison himself doesn't know. We only know that it is a wonderful fluid and that the ether is full of it. But though we don't know what it i

mber of ripples that keep spreading further and further out until they break on the shore. So if you hit a d

tone in it. The sound quality is in the drum, but you don't hear it until you hit the drum with a stick. So you've got to put into the ether something that disturbs the electricity in it, somethi

ay, as a man snaps a whip. It was found that these waves could be made long enough and s

s tempted to ask somebody to pinch him, but remembe

at sound can be transformed into electricity and then can be transformed back into sound again. I know," he said, with a smile, "that that sounds very much like saying that you can make eggs into an omele

goes at the rate of one thousand and ninety feet a second. Electrical energy travels at the rate of one hundred and ei

ieth part of the power of your voice. But by the time that sound has been caught up and churned,

ld be caught up by a powerful lot of electrical machines, amplifiers, alternators, and others, that would keep making it stronger and stronger until finally it was flung out into space from the ends of the great wires or antennae. Out and out it would go until it struck a lot of w

he part of his auditors that testified to the rapt attention w

to practical use. And it is the practical use of the wireless telephone that I'm especially interested in for the sake of you boys. I'm satisfied that there's hardly anything that could give you more pleasure or more benefit than for each

ion that was in the min

very much, Doc

n into the hundreds of dollars. But some very good receiving sets-and that's all you could use at the start, for it takes considerable

the range of what they could save up from their pocket money, and while the parents of some of them we

ion on many faces, and took pains at onc

ny cost at all. In fact, I'd much rather have you build one than buy one, for in that way you'll get an understanding of the whole thing that otherwise you might not get at al

e don't know the first thing about it. We wouldn'

nkering in my spare hours. Now I'm going to ask you boys to come out there next Saturday and see me build a wireless receiving set from A to Z. You'll be surp

as accepted by his eager hearers, and the minist

he said. "And as talking's rather dry work, I'm goin

around was something to be remembered. Jimmy in particular ate until his eyes bulged and fully sustained his previous reputation. And while they a

they finally said good-night to the

ss telephone!"

wonder?" eja

eated Bob. "I