Salt Lake Telegram | 1918-04-23 | Page 7 | Newest Things in Scientific World

I NEWEST THINGS IN I SCIENTIFIC WORLD I As the beginning of a great conservation conservation con con- project in South Africa a adam ai i dam is being built across Sundays Sunday's river that will vill impound sufficient water water water wa wa- ter to support persons According to a German engineer defects defeats in aluminum welds can be de detected detected detected de- de by Immersing the joints in water water water wa wa- ter bubbles of hydrogen appearing after fort forty eight hours if the welds be I defective j j I Tobogganing in summer has been I made p by an inventor who i has patented steel toboggans that I slide down inclines covered with cocoa I matting to be c in amusement parks I In some parts of Europe geese are fattened for market marlet by confining them in dark rooms into which light is ad admitted admitted ad ad- at intervals causing them to eat seven or eight m meals als a da day daj Metal shoes worn like skates skatE's which I grip firmly when wt weight is applied to them have been invented to enable I men to climb steel tl frames of ot buildings I bridges and some kinds of poles I The fhe government of ot India has succeeded succeeded suc sue in improving the quality of the cotton grown in some of its territory by distributing better seed and inducing inducing inducing ing natives to use modern implements To 10 enable photographers to make makeI I portraits portraits' with artistic backgrounds I I translucent shades to be hung over I windows have been patented bearing I pictures of window casings and landscapes landscapes land land- S C I Ican i. i That different classes of mankind can be distinguished by their hail hair hairIs I is the theory of a French Trench scientist who believes there is some relation between the hair and strength of body and mind I f. f I A form of dictaphone small enough to be bev v worn orn under a mans man's I shirt front and record conversations on a cylinder attached to his belt has i I been een patented by a resident of Wash Wash- Wash Wash-j I Ington D. D C C. I I IAn An Alabama inventors inventor's revolver is I I practically a a. miniature machine gunas gun I I as instead of a cylinder its cartridges I are loaded into a chain of almost any desired length I Nearly a quarter of a century of service has been obtained in England I from an electric cable that is Insulated insulated insulated in- in with a specially pr prepared pared paper and carries 10 MO volts After extensive experimenting the department of agriculture has an announced announced an- an that Bermuda onion seed can an cane anbe be e profitably grown in some parts of I Texas Arizona and California C S C CA A New York inventors inventor's rear signal for automobiles raises arrows pointing to the right or left to indicate the di direction dl- dl I dl-I on a lI car is going to take or both I arrows to show it is about to stop when buttons on the steering wheel I are pressed