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...comparatively young man (he is 32), amiable, dimple-chinned Dr. Carl David Anderson of California Institute of Technology has accomplished a great deal in science. In 1932 he snapped the first picture of a positive electron. For this discovery he won the highest honor Science can bestow, a Nobel Prize. His pioneer positive electron photograph has become historic. In the Physical Review last week, Prizeman Anderson printed a snapshot of another kind of particle which may also become historic...
...existence of "heavy electrons," also known as X-particles or barytrons, was suspected by Anderson and his co-workers in 1934, and later discovered almost simultaneously by him and Drs. Jabez Curry Street & Edward Stevenson of Harvard. These queer little particles appear to originate about ten miles above the earth's surface as a result of collisions between primary cosmic ray particles and air atoms. Calculations of their mass have yielded figures from 110 to 400 times the weight of an ordinary electron...
...place. Cosmic rays are electrified particles which constantly bombard Earth from every direction. It is estimated that about 30 shoot through every human body every second. They have energies higher than any particles ever propelled by man-made machines- energies, in some cases, measured in hundreds of billions of electron-volts...
...electron-volt is the energy acquired by an electron to which a force of one volt is applied...
...physicist appear to be about the same as those of a championship tennis player. Most of the five bigwigs of Quantum Mechanics did their most important work when they were very young men. Heisenberg, for example, laid down his celebrated Uncertainty Principle (relating to the position and velocity of electrons) when he was 26; Dirac mathematically deduced the existence of the positive electron when he was 28. Once a theorist has constructed a powerful new theory, he is likely to become fond of it and spend much energy polishing and protecting it. To more than one scientist who contemplated last...