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Stories by Lawrence P. Lessing

Automatic Manufacture of Electronic Equipment

"Modular design" of the parts of electronic circuits transforms the traditional hand-assembled maze into an orderly collection of uniform elements that can be plugged together automatically...

August 1, 1955 — Lawrence P. Lessing

Coal

It is by far the largest store of fossil organic substance, but its utilization lags. Scientific and technological advances suggest that it might best be used not as a fuel but as a chemical raw material...

July 1, 1955 — Lawrence P. Lessing

Helicopters

The odd appeal of hovering flight may have led people to expect too much of the machines too soon. However, their technological evolution now promises some real progress in their general use...

January 1, 1955 — Lawrence P. Lessing

Pure Metals

When almost all impurities are removed from a metal, it usually exhibits unexpected properties. Many metals are now purified in the search for new materials to meet the demands of technology...

July 1, 1954 — Lawrence P. Lessing

The Late Edwin H. Armstrong

The tragic death of the principal creator of modern radio occasions this brief review of the trials and tribulations and achievements of an independent inventor in the U. S.

April 1, 1954 — Lawrence P. Lessing

Computers in Business

The large electronic machines, heretofore found only in the computation laboratory, are now being applied to the automatic handling of entire office procedures

January 1, 1954 — Lawrence P. Lessing

The Gas Turbine

The evolution of this new heat engine proceeds at a brisk pace. Originally developed for airplanes, it has now been tested in trucks, locomotives and stationary power plants

November 1, 1953 — Lawrence P. Lessing

Hydrazine

This nitrogen compound was propelled out of obscurity in German rocket motors. Its highly reactive molecule, related to ammonia in makeup and origin, is the basis of a new range of chemicals...

July 1, 1953 — Lawrence P. Lessing

High-Speed Chemistry

The study of extremely fast reactions in flame fronts and in other chemical combinations is opening an entirely new field of chemistry. It presages the chemical plant of the future

May 1, 1953 — Lawrence P. Lessing
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Scientific American Unlimited

Scientific American Unlimited