Seismic Shooting at Sea
By setting off explosions in the water and observing how sound waves from them are reflected and refracted, the oceanographer can determine the structure of the earth's crust three miles below the ocean's floor
Blood-Vessel Surgery
Techniques developed largely during the past decade make it possible to repair the damage caused by several forms of cardiovascular disease and restore normal circulation
Open-Heart Surgery
In the past five years surgeons have made large strides in correcting cardiac defect and damage. The key to this progress is the heart-lung machine, which makes it possible to by-pass the heart for some hours
Gas from the Mine
An experiment now being conducted in the South will measure the practicality of harvesting the energy of coal by burning it underground instead of mining it
The Bingham Plan
A little-known foundation in New England has achieved a practical solution to the problem of bringing hospital services to rural areas
The Philips Air Engine
The renascence of a forgotten idea has presented our technology with a remarkable new prime mover. Its main advantages: efficiency and independence of special fuels
Smelting under Pressure
The U. S., world's largest producer of iron and steel, must have more of both. One way to ease the shortage is to increase the pressure of blast in blast furnaces