Word: electro
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...Electro-chemistry-Faraday's Laws", Professor Black, Jefferson Physical Laboratory...
...human field where the theories may have consequences is in aviation. The airplane motor is operated by electricity set moving by the magneto and intensified by electro-magnetic coils. When the plane is on the ground electricity and its spark act in a definite fashion. Perhaps that fashion changes when the plane is high in the air?powerfully lifted against the earth's force of gravity and swiftly moved with or against earth's rotational force. The possibility of such change may account for some airplane accidents. Perhaps such possible changes can be foreseen, calculated, forestalled. Perhaps?not to venture...
Heinrich Hertz (1857-94) discovered electro-magnetic waves. Light was realized to be an electro-magnetic phenomenon...
Maxwell said that two orphan boys resembled each other very much. Albert Einstein hunted around until he found that they were brothers, sons of the-same electro-magnetic mother...
...natural phenomenon for which the general theory of relativity did not account was electromagnetism. Dr. Einstein in 1905 had shown that electricity and magnetism were different aspects of one world activity. In 1919 he showed that gravity was another world activity. It was impossible, he believed, that gravity and electro-magnetism were two distinct world activities. His Riemann metric must be inaccurate...