If you build one of these, you too could be this cool.
Salt Water Powers Radio
Battery made of scrap metal and a pill vial runs for months!
By ROBERT E. KELLAND
THE salt-water cell powering this transistor radio has all the advantages of a dry cell, costs only pennies to make, and lasts for months. The complete radio receiver, with battery but less earphones, can be built for $3 or less.
As shown in the photos, the battery delivers about three-tenths of a volt. The radio consumes only 12 microamps while running, and in actual tests ran three days continuously without any detectable dip in volume.
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I wonder which idea readers in 1924 thought was more plausible; mind reading automatons or cell phones. Whatever the answer, one thing is clear: we need to come up with some way to use the word “radioplasm”. Google only returns two hits on this word and one of them is in another language.
Reading Thoughts by Radio
Can thoughts be read by radio? “Madam Radora” seems to prove that they can. Madam is not a human being, but a life-size automaton shown at the Permanent Radio Fair in New York. Her “thoughts” and movements are controlled entirely by wireless; no wires of any kind are attached to the table whereon she rests, and a liberal reward is promised the person who can prove that this is not true.
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Telegrams Ride the Tones of Electric Organ
Telegraph engineers have learned from the electric organ how to send ninety-six telegraphic messages in one direction over a single wire at the same time. They borrowed from the Hammond organ the idea of dispatching multiple messages on different tone pitches.
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The dog fired a revolver? That’s one dexterous dog!
Trick Dog Gets Orders by Radio
BY TEACHING a dog to do tricks under “radio control,” Constable Denholm, of the Sydney, Australia, police force, has fulfilled a two-year-old ambition. In a recent demonstration, he strapped a miniature shortwave radio receiving set on the back of Zoe, an Alsatian police dog, and retired to a shack fifty yards away. Then he spoke commands into the microphone of a portable transmitter. In response to her master’s voice as it came through the ether, Zoe climbed up and down ladders, turned a faucet on and off, took off her collar, and fired a revolver.
BUILD THIS Beer-Keg Radio FOR YOUR GAME ROOM
By ARTHUR C. MILLER
NOVEL as well as serviceable, the beer-keg radio described on these pages will make a useful addition to the furnishings in your game room. It can be used either as an end table or as a refreshment stand, and, since it is an entirely self-contained unit, operated by dry batteries, it can be carried onto a porch or even into the yard when warm summer days and evenings make this desirable. If you build this five-tube set carefully, it will give excellent reception from stations 1,000 miles or more away.
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She shall have music wherever she goes!
Wherever you go with an RCA Victor Globe Trotter portable radio you’ll enjoy unusual richness and clarity of tone—volume enough for outdoor dancing—made possible through tiny tubes.
Miniature tubes save valuable space in small radios—space that can be used for larger and better loudspeakers and for longer lasting, radio-engineered RCA batteries.
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Amos ‘n’ Andy Explained
By A. A. BRILL, M.D. As told to Michel Mok
DR. A. A. BRILL is known as the ablest man in his field in this country. He brought psychoanalysis to America and has written two widely read books on the subject. In this absorbing article, he brings all his vast knowledge and experience to bear in an effort to show you exactly why the Amos ‘n’ Andy craze is now sweeping the country. He goes to the very heart of the matter and makes clear the secret of their great popular appeal.
I DISCOVERED, not long ago, a new phenomenon in American life. Literally millions of persons of all ages and stations are listening daily to Amos ‘n’ Andy, the “comic strip of the air.” But they do more than that. They take an intense personal interest in the two characters, their ups and downs, their adventures. To thousands of men, women, and children Amos ‘n’ Andy are not fictitious figures. They are real, living human beings.
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New Typewriter Conquers Chinese Symbols
FOR the first time since the development of modern Chinese script more than 16 centuries ago, a way has been found to copy quickly all of the language’s thousands of complex characters. It is the unique “Mingkwai” (clear and quick) typewriter, invented by Lin Yutang, Chinese author.
Reducing a day’s hand copying to an hour’s typing, the electrically driven machine can print 90,000 characters and reproduce every known Chinese word. Chinese writing does not use the letters of an alphabet; instead, each word is an individual symbol. Other Chinese typewriters require memorizing the position of 5,000 characters and filling in missing words by hand.
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