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A WIRE-THIN beam of light can be bounced 40 to 400 times between these mirrors set 100 feet apart in the basement corridor of National Research Council laboratories at Ottawa. The bundle of light beams will be enclosed in a 16-inch steel pipe which can be fill- ed with various chemical gasses so that scientists can measure chemical absorp- tions and find out more THREE NEW STUDIES Oh, What To Do About G TORONTO (CP) -- General eriticism of Ontario's Grade 13 and suggestions for either im- provement or elimination of the course resulted from three stu- dies by members of the On- tario Institute for Studies in Edication the Institute said Tuesday. One study by Dr. Cicely Wat- osn and Patricia Lyle was! based on 1,281 questionnaires filled out by Grade 13 students rade 13? "over-loaded;"' the second, that it is '"'anxiety-ridden" because the pressure courses and exam- inations dominate the entire year. D. Watson stid the unanim- ity of complaints helped influ- ence the recently-released re- ment's Grade 13 committee, The study of the student who takes two years to complete his Grade 13 sought to assess in 20 representative schools. Dr. whether or not a university is Watson is head of the institute's|qustified in discriminat- division of educational planning and Miss Lyle is a research as- sistant. ing against such a student in preference to one who com- pletes the grade in a single A second study by Dr. Watson! year, was an analysis of 149 briefs and letters submitted to the de- Comparing the marks of more ; than 8000 students who took partment of education's Grade|Graue 13 in' one year with 13 study committee. A third by.) more than 5,000 who took it in both Dr. Watson and Miss Lyle 'was an examination of the "two- year Grade 13 student." The questionnaire results showed that criticism of Grade 13 was not limited to "only a few incompetent or lazy stu- dents" but "86.3 per cent of the students endorsed prevail- ing criticism of the course to some degree,"' the institute said in a press statement today. OVER-LOADED COURSE two; the authors concluded: "'It is evident that those who com- pleted the diploma requirements in one year did better... . Fur- ther, it appears that the more papers a student wrote, the bet- ter his chance of obtaining a high average, mark." BOROUGH RANKS CITIES More factory workers live in Brooklyn, New York, than in The most common criticism of the course was that it is Pittsburgh and Detroit com- bined. Meat Market Week-End Specials ! ALL MEAT GOVERNMENT INSPECTED STEAKS & ROASTS SIRLOIN T-BONE WING BONELESS RUMP BONELESS STEAKS Roasts ROUND STEAK (3: LAMB CHOPS """"" u. 99° RIB STEAKS LB. 65* STEW BEEF "us 4 us 1.00 MARGAR SCOTIA 29° BRAND 2 LOAVES 39¢ HAMBURG PATTIES rc-3---<------= 5 iss 1.99 ee ee ee | ® FREEZER SPECIAL e | ' BEEF fn | No charge for Cutting, be ne eee Hindquarters . Front Quarters . ib. 33¢ Ib, 53¢ Ib, 43¢ Wrepping and Freezing | -- ee ee ee el Norm Fisher's Meat Market 22 Simcoe St. North Phone 723-3732 about the nature of chem- ical reactions, (CP-NRC) THE OSHAWA TIMES, Wednesdey, January 12, 1966 ar Miles Of i Light Folded Into Feet OTTAWA (CP) -- Scientists at the National Research Coun- cil are folding a beam of light several miles long into 100 feet of 16-inch steel pipe, ana hope their studies of it wit! !ead to . better information about new chemical compounds. They could also lead to more knowledge about the atmos- phere on distant planets, and what happens during the mil- lionth of a second in which a chemical reaction takes place. Dr. D. A. Ramsay, head of the project, said in an. inter- view it will be a year before all the engineering work and in- strumentation is completed, but the council will then have a ver- satile and highly - sophisticated tool with which to study the structure of molecules in more detail than has been possible so far. a Using the research council's own engineering facilitics and staff, the out-of-pocket cost of the project will be about $25,000. If it were designed and built to order by a commercial instru- ment - maker, the new facili- ties might cost 10 times that, an NRC spokesman said. BOUNCE LIGHT The initial stage of the new project was achieved when Dr. Ramsay's team bounced a beam of light as thin as fence wire 40 times between highly- polished mirrors in a sub-base- ment corridor of the NRC la- boratories here. The mirrors ars mounted on pedestals built on bedrock be- low the building to guard against vibrations, can be so finely adjusted that the num- ber of times the light is bounced back and forth before going into a spectrograph can be increased to 100 or even 200. The next step is to fit 16-inch seamless steel pipe between the mirrors so that the light can be made to pass through various gases pumped into it. Pressures up to 10 times atmosphericii ¢ pressure may be built up in the pipe, having the effect of pass- ing the light a distance 10 times as great. In about a year's time, the council will have finished con- struction of what Dr. Ramsay describes as a superb new spec- trograph. It will be used to break the light beam, has passed through a mile or more of the chemical gases, into a spectrum which can be photographed, ARE DISTINCTIVE Dark lines appearing on the rainbow-like spectrum show ab- sorption of the light by the chemicals, and each compound of the basic elements has a pat- tern as distinctive as a finger- print. With the patterns established, the scientists can add to man's knowledge of atmospheres on distant planets. With the new equipment, they also hope to record the spectra of chemicals during the millionth of a second in which change is occurring. port by the provincial govern- It's got the flavor Canada loves best! Pure, natural goodness that comes from 100% vegetable oll. 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SAUSAGE RECEIVE en Extre $4.00 TAPE WITH KRAFT DINNER 7,3? JAVEX NABISCO 18 OZ. PKG, SHREDDED WHEAT FOOD SAVER WAX PAPER 6 OZ. TIN Le. Pkg. CANADA FANCY GRADE 3-1b. Bo: McINTOSH APPLES Wins ANS TRA Soe Tio ANACIN TABLETS HOSPITALITY CHERRY PIE "se PF 60 100' ROLL PRICES EFFECTIVE JAN. 12, 13, 14, 15, 1966 WE RESERVE THE RIGHT TO LIMIT QUANTITIES. DYL'S IGA 166 ADELAIDE AVE., £. OSHAWA 120 WILSON ROAD SOUTH LANSDOWNE SHOPPING CENTRE COLLEGE HILL IGA CUBERT STREET, OSHAWA MOTOR CITY IGA RITSON RD, SOUTH, OSHAWA BRAEMOR IGA STEVENSOY RD. & ANNAPOLIS AVE., OSHAWA BILSKY IGA LANSDOWNE IGA BECKSTEAD IGA COURTICE, ONTARIO EE RAS OMEGA an