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HomeMy WebLinkAboutThe Seaforth News, 1956-05-17, Page 7Hearing Secrets FroOuter Space Harvard College Observatory is opening a new window on the universe. There at its Agassiz Station en a remote New England hill- side, observatory officials and their guests have just dedicated the largest radio telescope of its kind in the world, It is designed for listening to the faint crackling of radio sig- nals sent back by the gases of outer space. By studying these signals, astronomers are able to trace features of the universe that are hidden from ordinary telescopes which work with vis- ible light, Construction costs and en- dowment for this new radio telescope project have run close to $500,000. They have been financed by a grant of $135,000 from the National Science Foundation, which was supple- mented by private donors, In essence, the new instru- ment is just a huge, precise radio receiver. With a higher capacity for pinpointing fine de- tails, it will supplement and ex- tend the work of the 24 -foot in- -fellation that Harvard has been operating at the Agassiz Station for the past three years. The 24 - footer also was built with the aid of an NSF grant. • Radio astronomy is a new astronomical science, which has grown active in the years since World War 11. As explained by Dr. Bart Bok, codirector of Harvard's radio as- tronomy program, it is based on the fact that cosmic gases and stars send out radio noises that can be picked up by special equipment and analyzed to tell something about the nature of their sources. Sometimes these sources can be hatched with visible stars or nebulae. But (Often they are invisible, and Tt� can be traced only by the radio pickup. That is why radio telescopes have added a large new dimen- sion to astronomy. They have Morally opened another window on the universe. What is more, this window is never closed. It Is open night or day, in good visual observing weather or in bad. The new radio telescope will help Harvard astronomers get a clearer look through this win- dow. With the greater resolving power of its 60 -foot antenna, it will be able to sharpen up details that blur out with the 24 -footer, Dr. Bok said the smallest re- gion that the 24 -foot instrument 1114. can define is the apparent size of three moons (about one and a half degrees for the techni- SP,iiNGTIME — Boy, bat and ball belong to no particular locality. The fact that this picture was taken in Minneapolis is of incidental importance. What iS important is that the days are longer, there's a vacant lot down the street a nd Willie has a bat and ball . . cally inclined). The 60 -foot an- tenna will cut this area to the size of one moon (about half a degree). Both the 24 -foot and the 60 - foot instruments are designed for specialized work in the radio astronomy field: They work mainly with certain "broad- casts" from cosmic hydrogen gas which come in on a wave length of 21 centimeters. These "broadcasts" first were detected five years ago by Dr. Harold Ewen, codirector of the radio astronomy program along with Dr. Bok and Dr. Edward S. Purcell, Harvard physicst. i In this 21 -centimeter field, whose scope includes tracing the vast structure of the Milky Way, the new Harvard instrument for a time will be the largest at work in the world. There are larger radio telescopes operat- ing in other fields, and several larger 21 -centimeter receivers are planned or in construction. But, even when these latter are. operating, the Harvard 60 -footer still will rank among the 21 - centimeter heavyweights. The antenna is a huge pre- cision -made aluminum bowl weighing 8,000 pounds and which is centered at the top on a conical pier set in a concrete foundation 12 feet deep. The telescope is classed by the experts as "steerable." This means it is controlled by motors that can tilt and turn it to face any part of the sky and that can drive it to keep pace with the stars. Because this large instrument cannot be covered, the builders NARROW ESCAPE — Donald Dixon, left, prospective bridegroom who was injured in Dayton, O., when a bomb wrapped as a wedding gift exploded in his hands, is in fair condition. The University of Dayton student was injured three hours before he was to wed Sara Louise Pfarrer, right. Three others were also injured by the blast. SOUND BY SUNLIGHT —' That lucky old sun will provide sound for the owners of this new solar -powered portable radio. Ron- nie Stratton, left, holds a solar pack, which converts the sun's rays into electric .current.. The portable sun radio, using tran- sistors instead of tubes, can also be powered by artificial lights. Radio -TV Columnist Stan Anderson '.plays the receiver at its first showing. have supplied special bracing to enable it to withstand high winds. By locking the lower edge of the antenna against the pier, the structure should " be able to resist winds of even hurricane force. In lesser winds, the telescope can 'be operated with precision up to a wind speed of 25 miles an hour. It still can be operated, but with less precision, in winds up to 45 miles an hour, Flying Terrors y The Millions A new fear has come to Afri- ca. It's caused by the beat of millions of tiny wings. They be- long to the quelea finch, a grain - eating bird no bigger than a sparrow. The bird s, which exist in flocks of 5,000,000 or more, are playing havoc with grain crops. They are a greater pest than the locust. So fantastic are the quelea hordes that people refused to believe early accounts that there were such birds at all. A hun- ter who came back from the bush interior with a first-hand account was called a liar. He had chased a wounded - elephant all day and with the' evening wind rising he was rap- idly closing in on his tjuarry. Some distance ahead he heard the crash of breaking branches. Suddenly he heard a sound he had never experienced before — a shrill whistling and whirring audible above the wind. He came upon a flock of birds, but what a flock! Myriads of tiny cr e a t u r e s, uncountable numbers of fluttering wings. The breaking of branches had not been his elephant. The com- bined weight of millions of tiny birds had torn off branches al- most twice as thick as a man's thigh. He could hardly believe what he saw. Since then the voracious little pests have been recognized as a great African agricultural prob- lem. In parts of Kenya, Tan- ganyika, Somaliland, S u d a n, Rhodesia and South Africa, Af- ricans have abandoned grain- growing because of the winged menace. Flocks a mile long and wide, blacking out the sun, are quite common. When they settle, acres of ground — every leaf, twig and blade of grass — are ob- scured by tiny, fluttering bod- ies. There is no natural' control of the birds. Man has tried flame and poison gas in an effort to throwers, bush fires, dynamite, reduce the birds to reasonable ' numbers. It's like trying to move a mountain of earth with a tea- spoon. - Africans eat the birds in their hundreds. But there's no stop- ping the quelea. They can fin- ish off a field of grain in ten minutes, while a thousand men, posted at ten -nerd intervals and frantically beating tins and shouting themselves hn^Tse, try in vein to keep them off. Meanwhile, more fortunate Africans scan the ckv, honing that they will not heel' the dis- tant rurnhliee 6' couni1»s e.tees which herald the anproach of the festh,'rerl terror, "TW1T,Tt;T1T Sfi,W P" Use of ether hall proved so effective in simplifving the work of fin -clipping trout that workers, as an experiment, ap- plied 'the same practice while stripping eggs from rainbow trout. Almost a million eggs were taken from etherized trout in half the time usually re- quired. In addition, the percent- age of delivered' eggs that "eyed up" nearly doubled. The spawn -takers, who for- merly had to tussle with slip- pery trout weighing up to 15 pounds, were enthusiastic boost- ers for "twilight sleep" for the finny expect ant mot ha, s. Shunned Chance To Make Fortune Old Charlie Webb cursed when another piogh-share snap- ped in his tough rocky Boil. Weary of farming amid the tiresome outcroppings of green- ish gold stone he tried to sell his land at Shipton, • Quebec, as rough pasture. His cow -herding neighbour, Jim Gifford, laughed derisively when the field was offered to him for $50 back in 1881. Jim didn't know he was turning down the greatest opportunity of his life. Within seven years the land turned out to be the world's greatest source of asbestos and it soon brought Charlie Webb enough ready cash to make all his dreams come tine. Asbestos was only in its in- fancy. To -day it insulates the super heated exhausts of jet en- gines, is an essential to car clutches and brakes and tough- ens the plastic tiles on your floor. And Charlie Webb's old land is currently yielding $100,- 000,000 worth to an asbestos eager world every year. It backs the millionaire for- tune of much -married Tommy Manville and helps pay the ali- mony to his ex-wives. It's so precious that, north in British Columbia, engineers are shav- ing the asbestos top ori a 6,000 - .foot mountain and shipping the processed mineral through Alas- ka for export to the world. New sources are continually being found. A hard -up old gold prospector got a job pick -hand- ling at the Manville mine. "When do we get to the asbes- tos?" he asked, and was dumb- founded when told he was al- ready digging it. Searching for gold on an old claim of his own, he had ig- nored the wealth of asbestos lying all around. So he led geologists to the site — and found himself a rich man. In Quebec only recently a man' noticed the gleam of as- bestos on a rock jutting from a lake only a few yards from the main road. Everyone as- sumed that the lake belonged to the powerful asbestos corpora- tion which was mining the land all around. But Albie Ward wasn't so sure. He hunted up old mining archives in Quebec city and found that mineral right under Black Lake were still reserved to the Crown. Under cover of darkness Al- bie Ward staked his claim, an- choring corner posts in the ice on the lake. To -day Ward is al- ready a millionaire. Goevern- went experts report that $600,- .000,000 of asbestoes lies beneath the lake. Safety is Sir` pie Ninety-six per ,,cent of the traffic accidents in St. Louis could be prevented by the sim- plest of methods, That is the gist of a report by the police de- partment traffic analyst and safety director, Capt. Roland J. Schumacher. He says a bare 1 per cent can be classed "un- avoidable" and not more than 3 per cent are due to mechanical failures. The remaining 96 out of 100 are caused by. such violations of law — and common sense — as speeding and going through stop signs and yellow lights. These are faults any person of driving age and average intelligence can easily correct. If the mechanical elements of cars caused 96 per cent of the accidents, if they failed to per- form even their most simple functions adequately. the situ- ation would be called intoler- able. Is it any more tolerable because the element so funda- mentally at fault is the one be- hind the wheel? --St. Louis Post - Dispatch. CLASSIFIED ADVERTISING AGENTS WANTED AGENTS wanted to sen :Standard. Greeting - Card s, with or without Scripture.' Excellent commissions. Send for samples today. Standard Greeting Cards, 105 Perth St. Brockville, Ont, GO INTO BUSINESS for yourself. Sell exclusive houseware preduota and appliances wanted by every house- holder. These Items are not sold in stores. There is no competition. Profit up to 500%. Write immediately for free color catalog with retail prices shown. Separate confidential whole- sale price list will be Included. Murray Sales, 3822 St. Lawrence, Montreal. BABY' CHICKS BABY chicks Sussex -Red, Rock -Red, Cockerels ed -rock p5500s ulletWhite'. Leghorn ed 1Pu1'- Leg - lets $26.00, Breeders blood -tested. Collins Poultry Farm, 0.11. 1, Lunen. burg, Ont., Phone Finch 495. 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' Rothschild, 51 Caribou Rd., Toronto 12. FOR SALE KILLS INSECTS INSTANTLY SENSATIONAL new electric insect bulb. Works eutomatical. For use everywhere. Only, $L00. Satisfaction guaranteed.r'cDept. Ave, Torontoiscount RAZOR BLADES 100 FOR 51.00. Microsherpened. Double. edge. Guaranteed smooth shaves. Dept. WP. Globe Discount Service, 159 Rose Ave., Toronto. WONDERFUL bargain in Poultry. • Farm. Forced to sell on account of health. Good location and wonderful market. Write: K. W. Smith, Prince William, N.B. WEDDING 50 100 Napkins 2.25 2,95 Matches 2.25 2.95 Postpaid - 24 HOUR SERVICE Two names and wedding date imprinted in silver. Napkins In Bride & Groom or bell design. THE REMEMBRANCE SHOP 218 BANK ST. OTTAWA ATTENTION HOUSEHOLDER! G e t your copy! 800 Varieties of Sand. wiches," Booklet every woman needs. Makes quick snacks and lunches Inter. esting. Complete recipes, Pay $1.69 Jack Leclerc, P.0,0. 303, Victoriav!lle, Que. 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We cannot go along with this theory. The automobile, when used as transportation to and from the business district, is a developer, rather than a de- stroyer, of human legs. "I -park my car just south of Oswego," said a businessman the other day as he walked briskly up Sixth Avenue at the closing hour. This was an exaggeration, of course, but he and hundreds like him, who were walking in many directions from the core area. do have to park a long way from their offices. They en- joy healthfui exercise missed by those who lean against buildings waiting for the bus.The Oregon- ian. Backache is often causedby lazy kidney action When kidneys get nut el order, excess acid., and wastes remain to the system. Then backache. disturbed rest or that tired -out and heavyheoded teeing may seen tallow 13u s the nme to lake Dodds Kidney Pills Dadd's stimulate the kidneys to normal action Then you feel 'better —sleep bettet —work better. 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