Show New Type Pressure Tube Gauges Effect Of Atomic Explosion LOS ANGELES Calif When Calif-When When anatomic an anatomic anatomic atomic bomb explodes what physiological physiological physiological I effects does it produce on the people within the burst area Research at the atomic energy project on an the Los Angeles campus cam cam- campus campus pus of the University of California is trying to answer this question Under the direction of Dr Benedict Bene Bene- Benedict Benedict dict Cassen C clinical professor of biophysics inthe UCLA medical school rats and mice are being subjected sub sub- subjected subjected to air blast pressures in a type new-type blast tube which can produce sudden air pressure pulses According to Dr Cassen these are the first known laboratory ex ex- experiments experiments experiments to use the new tube for air blast research on mice Previous results with high explosives explosives explosives as well as new results with the blast tube show that air pressure pres pres- pressure pressure sure pulses will first rupture the I eardrums then cause lung I hemor- hemor hemorrhages r h d c followed hv by internal hemor- hemor I hg y says the U the UCLA atomic scientist A lethal does for mise miss is finally reached at approximately 25 pounds over atmospheric pressure Our air blast tube has revealed the nature of many important physiological physiological effects on rats and mice but must con con- continue continue continue I Dr Cassen said we on a larger scale before we can actually adapt our findings to human use Dr Cassen hastened to point out that the most serious hazards of an anatomic anatomic anatomic I atomic explosion are much more likely to be produced by crushing 1 I missiles and other secondary ef- ef efI j I facts rather than by the primary I force of the blast itself I |