1920’s U.S. Immigration Policies

It may be questioned if the present basis of selection according to racial types is a more desirable policy than selection within a race according to the merits and defects of individuals. However, to a certain extent our immigration laws take into account individual qualifications, for example by excluding aliens with records of crime or insanity.

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What is Dry Ice

Dry ice has already become a valuable refrigerant, and the reason is that its temperature stands some 112 below zero. Pound for pound it refrigerates fifteen times as much as common frozen water.

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Puncture Solutions

Magnets and small boys used to pick nails up off roads to avoid punctures in car tires

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Lindbergh Mail Problems 1927

COLONEL CHARLES A. LINDBERGH’S chief secretarial aide, Commander Fitzhugh Green, has made public the recently completed cataloguing of the popular flier’s mail.

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Introduction of 40 Hour Working Week

THAT man should earn his bread by the sweat of his brow is a dictum of the Scriptures that has been pretty well abolished in America, where, in the main, he now acquires, not bread, but canned goods and package foods, by the oil on a machine. Mr. Thomas A. Edison is on record as [...]

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The Outlook for Oil

THE Federal Oil Conservation Board has reported to Secretary Work that the supply of oil in the pumping and flowing well areas of the United States is about 4,500,000,000 barrels-a six years’ supply in theory, though it cannot be extracted within that period. Up to June last the 68,000 wells bored since 1866 have produced [...]

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War Bread in Peace Time

BELGIUM and France might have been encouraged by the good news from
the nutrition chemists at Williamstown about the prospect of food from the air and sun, and also by the black case they made out against white bread. For the Belgian and French people have gone back on the war basis of “black bread” as [...]

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Synthetic Sunshine

THE world need never go hungry as long as the sun shines. So the chemists have declared at the Institute of Politics, at Williamstown, Massachusetts; and since scientists say so, it must be so.
Food in the future, it appears, is to be obtained from the light of the sun and the nitrogen of the [...]

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