Science: Matter Out of Motion

Press dispatches from California Institute of Technology last week described "the creation of matter out of pure motion." The impression given was that this was a brand new accomplishment. Actually it was only a bold recapitulation of work done the past two years.

By calculations from the Einstein formula and measurements of the energies of cosmic rays, Caltech's Dr. Robert Andrews Millikan reached the disputed conclusion that interstellar energy is constantly accumulating in the form of the familiar elements.

Physicists have wanted to see energy in the process of becoming mass....

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