Freeze Drying From War Time Idea
The article explains freeze drying, a process developed during the war to remove water from perishables like blood plasma and penicillin by sublimation under high vacuum. It freezes the product and converts ice directly to vapor, keeping the item frozen while rapid evaporation occurs, with potential postwar use for meat, fish, and fruit juices.
RCA color television debut shown in Philadelphia theater
Philadelphia showcased a small theater scale color broadcast using an all electronic system transmitted from Kodachrome slides. The RCA exhibition drew scientists and newsmen as first-nighters. The images were clear though colors lacked delicate natural tints. The Princeton RCA studios demonstrated a new simultaneous color transmission, with hopes for wider use in about two years.
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Philadelphia
Radio Corporation of America
Seiention
RCA Igoratorica
Princeton
Gasoline to Be Artificial From Gas Under Study
Dr R A Aries research associate at the Polytechnic Institute of Brooklyn predicts that within ten years about a quarter of all gasoline will be synthetic. He notes 16 0 0 000 000 cubic feet of natural gas available and three plants under construction to produce synthetic gasoline and alcohol. By-products promise more ethyl alcohol than consumed in 1949 and other chemicals are produced in the process.
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R. 8. Aries
Polytechnic [Nativie of
Brooklyn
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