Air Wonder Stories, May 1930 — page 90: what you’re looking at

Machine-transcribed from the original scan — historical spelling and the odd misread are preserved.

9 i) 6 ry 5! by Hl F] hy ir} Sanidas a = On All Newsstands AIR WONDER STORIES — The City of the Living - Dead By Laurence Manning and Fletcher Pratt A most fascinating tale with an unusual theme—perplex- ing and enjoyable . .. « J N THE CITY OF THE LIVING DEAD, by Fletcher Pratt and Laurence Man- ning, these two authors-of the first rank treat of a subject-so unusual that we are ‘ sure it will create a sensation, It is known that we ate aware of each experience that we have only because our sense organs have transmitted certain impressions. to us. Suppose: it were possible to substitute a-mechanism which would allow us to have any experience GULF STREAM GOLD, by Ed Earl Repp. We haye—an abtndange of scientific~ evidence that sea water contiins.sold'in a finely divided state. In fact; one authority tells. us, in the Gulf Stream : there are literal fandteds of millions of dal- _ lars. worth of gofd passing.a given point every day. It is—altogether. possible to extract thia precious metal; but if t would be perilous: Manners, and complications that must be overcome, In this, the newest of his offerings, Ed Earl Repp gives.1s a remarkable story of- modern. gold “mining,’ with all -his unbeatable: thrills and adventures. it were attempted there- we wish without physically undergoing it, That such a thing would create the most revolutionary change inhuman life, our authors convincingly show. THE EVENING STAR, by Dr. David H. Keller. We come to the concluding installment of this remarkable ‘sequel to “The Conquerors,” If the thcidents that Dr, Keller pictures, or the strange creatures that his fertile mind has conjured, seem to. be impossible to: 1s; we can—turn to many scientific atithorities who state that the forms that life may take are almost limitless, Those who have watched ‘the strange career of the Conquerors will’ find «in. this- installment a cul- mination that is sudden, breath-taking, and for our Human ‘race qtite satisfying, Also THE INFINITE BRAIN, by John S. Campbell OTHER INTERESTING FEATURES SCIENCE QUESTIONNAIRE—What Is Your Science Knowledge? SCIENCE NEWS OF THE MONTH SCIENCE QUESTIONS AND ANSWERS THE READER SPEAKS—Letters From Our Readers MAWRORREOER UOV0000000900000000000004 SCIENCE WONDER STORIES, AW-5 a 98 Park Place, New. York, N. 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SPECIALTY CO. stones, marbles, lend. balls, olc.- Sample shot bil or money order to’ thio ae retum within. 5 days and your mona Dopt. £-346, . 220 E. 3rd St, Cincinnati, Ohio FRAEL._ Selonttfionly and -practlenlly mado vertisomont and Will (be promptly refunded, No man or woman can esenpe the harmfal effdcts of tobacco, ‘t try to: banish unnided tho hold Abaco has pon you, Join the thousands of inveter- ato tobacco users that-hava found itensy toguit with tho nidof theKueley Trentmont, bi Treatment For K f FY TobaccoHabit Successful For Over 50 Years Quickly baninhes al? craving for tobacco, Write today for Free Bool jelling ely Free yourself from the tobneco habit ani Se tee Back Guarantee, THE KEELEY INSTITUTE 71 Dwight, Illinois THE READER AIRS — HIS VIEWS- (Continued from page 1047) out from one object across space and “pulling” on.another object. Would it not be more rea- sonable: to believe that gravitation. results from a pushing: force (as has héen stigeested by. cral scientists), or perhaps many forces tend- ing to. push bodies toward-ench other? In fhat the screen to-look for would not be -one that is “transparent” to. the force, but one that stops the. radiations, at lenst in part. Such a ~ sereen would -properly be placed, not betwee ‘ the objects “attracted”? but on the far side o' one of them, ‘There may or may not be a sub- stance which is capable of acting in this way, if of sufficient thickness, : Harnessing such a force would not amount to. perpetual motion anymore than using the wind by means of a wind-mill; or shutting out the sunlight by -meana ofa shade, ¥ Of -course, if gravitntion is tho result of ace celeration. in a space-time: continuum of four dimensions, “many. of your readers, inoluding myself, will have to ee up Piccitatthe pon fhe subject, But it is to be hoped that it is not so terrible a thing as« I would be pleased to know whether ‘there are other readers who have somewhat similar ideas on this subject, i E. S, FEATHERSTONE Box 192, St, Helena, Calif, _, (Of course no one would wish for nullifica. tion of gravity on a general scale, It is by gravity t we are able to control our ~ phy- sical actions and most of the. mechanical con- trivances existing, It-ia on the force: of gravity that-our drainage systems depend, our water supply even our food; In a. weig world, secede blown. from flowerlng-crops_and_ vegetation would not fall’ to earth, and the r tion of organic-growth, the chemical balance of the atmosphere would he ttpset, so thut- the human race would be wiped out even should we Byala all oher co-existent with this state. Spact:flying. ships, both in the fiction ofthe ast-and the actuality of the future, oeripity ly corporate an artificial vititional — force within their mechnnisms, The human body is so ‘constructed, that a sudden nullification of the force of ‘grayity on an individual person would result in immediate death, Our bodies contain a. complicated-vilve system by which our blood is prevented from accumulating our fest anth lower extremities ; ‘ihe regulation and mechanism of the .human body is as de- dent and adapted to gravitntional force as it ig to atmospheric pressure, The theory that gravitation is the result of acceleration in a space-time continuum for four dimensions ig iaieosaiarily. “obscure. Tt we regard” gravity as the muttin) “attraction be- tween one mass and another, the strength of which can be calculated by the dimensions of these masses, we have a working. principle whith will _ennble us to understand the general condi- tions space fliers of the future will have to optrate under. The moon is—smaller than the earth—therefore the force of--gravity on the surface of the moon is less than that on the surface of the earth, Should there be Ife on planets: larger than the ew ndapted to the stronger gravitational force muain- taining on-those worlds. This is a simple Taw, stated in simple terms, and~abstrise theories about gravity merely becloud’ our understanding. a. matter of fact, this law was Jaid down by Newton, who, in siggesting that gravity was fundamentilly a property of matter, stated the law of universal attraction as follows: ‘Every particle of matter in the universe attricta every other particle with a force varying directly as the product of their masse and inversely as the square of the distance that sepurates them.’” n Newton's Jaw of gravitation was reared the great mathematical structure of Dy- pamical. Astronomy which concerns ituelf with the exact calculation of a planet's: orbit ax dis- turbed by the attractive infltiences-of every other planet or satellite, We have noticed a tendency in- our corres pondents to confuse—issues by entering into complex theoretical arguments, To make Sel- ence a difficult subject to comprehend is a mis- take, and an unnecessary mistake. Nearly every scientific Jaw-oan be -simply aepites in ~ simple terms, and every fundamental law ia in-. trinsically! a simple one, It is primarily the object of this magazine to make Aviation Sci- ence simple to the layman who is interested ‘in the dévelopments of the present day, and those of the future, We therefore our. corres- pondents to “‘sinte theirideas in as simple Jnn- Buage as possible, so that their letters will be of universal interest to redders of all’ stages of scientific knowledge,—Editor.) ; Aviation and War Editor, AIR WONDER STORIES: I thank you for the courtesy of print m, rejoinder to Mr. Harl Vincént in the Marc! number, I- believe that enough bas been sald toprove that nefther’ Mr. Vincent nor the Editor intended to. cast discredit on Buddhism. : (Continued on page 1049) tth, this life will be ‘ ae EL a ’ ? Conmielxool<S.conn