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Lethbridge Herald Newspaper Archives

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Lethbridge Herald, The (Newspaper) - July 25, 1973, Lethbridge, Alberta Wednesday, Julg 25, 1973 THE UTHMtlOGE HERAIO if Scientists seek energy source: cap External Affairs Minister Mitchell Sharp Jokingly tries on a cap brought back from Vietnam Saturday by ambassador Michel Gauvin. Sharp met Gauvin at airport here, where the latter held a conference after spending nearly six months in Vietnam us head of Canadian group in the International Commission of Control and Supervision. Priced Right Footwear Values Men's Boat Shoes Give Cool Summertime Comfort Look lew price of these great I summer casuals. They feature easy walking heavy duck canvas uppers and soft padded collar.' Non-slip gum crepe sole. In White or .Navy. PAIR 71 jZ Men's Natural leather Casuals Leather uppers are banded to durable foam sole for long wear, lew heel. Black only. EEE width in some sizes. pair Stylish Women's Casuals with Features Galore Here's value you shouldn't miss. Moccasin style shoes feature wedge rubber soles, padded in- sole and ventilated instep. White or Tan. s.. ff i PAIR 2.44 CREDIT PLAN AVAILABLE Solar solution reports premature By MICHAEL KENWARD Christian Science Monitor LONDON, England ports that fte aim is about to gave mankind from the im- pending energy crisis are pre- ttature. More than 600 scientists turn- ed up in Fads a few days ago to talk about solar energy, and they seemed to be more pre- occupied with the problems standing in their way than with tfaeir new found glory. Delegates to a conference on ta Sun in the Service of which was sponsor- ed by UNESCO and the French ventment, gave two distinctly separate views of solar energy as a small energy source for cookers, water heaters, and a variety of uses, and as a major energy source for electric power generation. PROGRESS KEY In the developing countries, solar energy as a small power source, is a key to future dro- grass. These countries cannot afford to embark upon power programs to spread an electricity supply to everyone. Unfortunately the record of progress with solar energy is not, apart from a few outstand- ing cases, very good. H. P. Garg and A. from the Central Arid Zone Re- search Institute at Jodhpup, India, told the conference that "in a developing country like India the utilization of solar radiation is eitremely im- portant in view of the chronic shortage of conventional sources of power. Though much emphasis has been made in many national and internation- al conferences on the utilization of solar energy for various do- mestic applications like water heaters, room heaters, agricul- tural drying, desalination, and so on, not much progress has been made hi the actual use of eolar energy." ADVENTUROUS Titoe United States also sees solar energy as a heater and cooler of buildings. Perhaps moire adventurous is the idea of turning solar radiation into electricity on a large scale. In a week after PrctJdent Nixon had allocated funds for energy rtiinarch, American .delegates ait the conference irate clearly optimistic. However, they cannot, ac- cording to Dr. Paul Donovan, dufeman of the National Sci- ence Foundation's energy task force, expect to share in the additional million to he spent on energy research nart year. According to Dr. Donovan, the solar energy research effort has grown so rapidly to its present level of million a year, that it would be difficult to find really essential research projects and the people to do them. CONCLUSIONS William Cherry and Freder- ick Morse, both members of the NSF-NASA sola- energy panel, told of some of the pan- el's conclusions and recommen- dations. For a combined federal and industrial expenditure of ap- proximately Wffion over a 15-year period, which is consid- erably less than the expendi- ture on nuclear energy so far, a vast new source of energy could be made available with a minimal impact on tbe. envir- they said. Solar energy could provide 20 20 per cent of the U.S. energy needs by 2020, added Mr. Cherry and Mr. Morse. MASSIVE EFFORT Delegates in Paris got some idea of the problems facing them in launching a massive research effort. To begin with, there are different basic sys- tems that could be used. A photoelectric system hi which electronic devices con- vert solar radiation directly into electricity could be used: or a photothermal system might be cheaper. Both George Lof of-Cokrado State University and Aden Heir nete of the University of Ari- zona believe in the pbototber- mal approach. Here solar radi- ation is used to heat up a fluid of some sort, 'and this heat 'is used as in a conventional power plant. Both experts pointed out that there ere ntaay unknowns with aolar energy. For example, Lof believes ttat plant size a very DOT tint rarisbla which perhaps hasnt been given tiw attention it deserves, and wirich we fed is not at all clear w to tte di- rection in which we should be working." Dr. Lof now is working on an analytical program to try to answer just, this sort of QOM> tion. OLD NOTIONS Aden Meinels warns against sticking to old scientific tions. For example, engineera nave continuously worked for faotter and hotter generators cause they are more efficient. With solar energy it is not ef- ficiency ttat is of paramount importance. "We are not after maximum efficiency, we are after tbe number of kilowatt hours per be says. Before questions like these sere answered, no one can know if, or when, solar energy will begin to make a siguifleaat impact on toe world power sup- ply situation. Hwfe COUfM SHOPPING MAU Open Daily 9 ..m, 4 Mayer Magnrth tfanwlvy Friday 9 to 9 p.m. Ttff) TIOJVV? te> iffnfff Whatever your looks make it in 100% Polyester First Quality Double Knit! Priced Low Crimpkntt still leads the fashion parade for sum- mer because ifs economi- cal, easy to work with and easy to care for! A new shipment has fust arrived and ifs a full 60" wide in. 11 and 12 oz. weights! Makes into neat little pant suits, super halter dresses and darling daytime dresses! There's textured crepe stitch, herringbone, diagonal and geometric designs to choose from. Crimpknit, on sale today at Wooled YOUR CHOICE t< ..v Screen Printed Acrylic Niagara 100% Acrylic. 45" wide and fully washable. Silky to the touch. Variety of vibrant colour combinations. YARD PLAN AVAILABLE Printed Polyester Crepe do chine 100% Polyester, 45" wide. Fully washable, drip dry. lightweight and cool in all the latest prints, patterns and geometries. YARD __ Screen Puntea Acrylk Sateen 100% Acrylic, 45" wide and machine washable. Bold, lively and colourful designs. Great for patio gowns, shirts and dresses! 2.96 YARD Open Daily 9 a.m. to 6 p.m. COUEGE SHOPPING MAUL Thundoy md Friday 9 p.m. Mayor Magratfi Driva We the limit Quantitiee IF YOU TAKE AWAY OUR LOW PRICES wot ;