Cosmic Ray Study By Huge Balloons Is Planned by U. S.; COSMIC RAY STUDY IS PLANNED BY U.S.
USN and Natl Science Foundation plan to launch 2 huge balloons over Pacific loaded with photographic plates to record particle tracks at about 120,000-ft alts before they collide with atmospheric atoms; will conduct tests near geomagnetic equator which only more energetic particles can pierce; plates being developed at Chicago U under Dr Shein; Foundation has granted $625,000 for project