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More about farm waste
134
CURRENT TOPICS.
[J. F. I.
Free use of this service is invited. Among the important industrial projects may be listed (a) a study to find economical methods for purifying certain Pennsylvania clays now unusable because of contaminants; (b) a study of the physical, chemical and weathering properties of Pennsylvania stone suitable for architectural and constructional purposes; and (G) studies in the economic geography of certain Pennsylvania regions to determine the possibilities for industrial and commercial expansion. In the field of Agriculture the Council is surveying the lands of one-half the State’s area in order to determine their relative fitness for agriculture, reforestation, hunting and fishing, and recreation. In the recreational division a preliminary state-wide survey is being made with a view to encouraging tourist trade through stressing the state’s magnificent recreational resources. The General Economics Committee of the Council are studying population trends in the State; the possibilities of attractive and livable homes for persons of small incomes; possibilities for improving business and living conditions; and a study of the industrial possibilities of the area to be benefited by the new Pymatuning Dam in the northwestern part of the state. T. K. C. More About Farm Waste.-The U. S. Department of Agriculture announces that by substituting bacteria for chemicals and by adding small quantities of such city waste as sewage to farm waste products, such as cornstalks, straws and hulls, chemists hope to produce building board fiber and fuel and lighting gas by a process which will be commercially feasible. Farm wastes are high in carbohydrates but contain almost no protein. It is the additional nitrogenous city wastes which intensifies bacterial activity, produces a large volume of fuel gas and releases the fiber leaving it available for board making. T. K. C. Crying Tim-Probably few of us have heard that characteristic creaking given out by a bar of tin when bent, such sound being often referred to as the “ cry of tin.” The generally accepted explanation has been that the “ cry ” is produced by the grinding of the crystals against one another during the bending of the metal. In the Apr. 30, 1932 issue of Nature will be found a very interesting communication from Bruce Chalmers, University College, London who has seized the opportunity closely observed the above phenomenon while experimenting with single crystal wires. He
CURRENT TOPICS.
[J. F. I.
Free use of this service is invited. Among the important industrial projects may be listed (a) a study to find economical methods for purifying certain Pennsylvania clays now unusable because of contaminants; (b) a study of the physical, chemical and weathering properties of Pennsylvania stone suitable for architectural and constructional purposes; and (G) studies in the economic geography of certain Pennsylvania regions to determine the possibilities for industrial and commercial expansion. In the field of Agriculture the Council is surveying the lands of one-half the State’s area in order to determine their relative fitness for agriculture, reforestation, hunting and fishing, and recreation. In the recreational division a preliminary state-wide survey is being made with a view to encouraging tourist trade through stressing the state’s magnificent recreational resources. The General Economics Committee of the Council are studying population trends in the State; the possibilities of attractive and livable homes for persons of small incomes; possibilities for improving business and living conditions; and a study of the industrial possibilities of the area to be benefited by the new Pymatuning Dam in the northwestern part of the state. T. K. C. More About Farm Waste.-The U. S. Department of Agriculture announces that by substituting bacteria for chemicals and by adding small quantities of such city waste as sewage to farm waste products, such as cornstalks, straws and hulls, chemists hope to produce building board fiber and fuel and lighting gas by a process which will be commercially feasible. Farm wastes are high in carbohydrates but contain almost no protein. It is the additional nitrogenous city wastes which intensifies bacterial activity, produces a large volume of fuel gas and releases the fiber leaving it available for board making. T. K. C. Crying Tim-Probably few of us have heard that characteristic creaking given out by a bar of tin when bent, such sound being often referred to as the “ cry of tin.” The generally accepted explanation has been that the “ cry ” is produced by the grinding of the crystals against one another during the bending of the metal. In the Apr. 30, 1932 issue of Nature will be found a very interesting communication from Bruce Chalmers, University College, London who has seized the opportunity closely observed the above phenomenon while experimenting with single crystal wires. He