September 20, 1930 | Vol. 18 | No. 493
Material Objects Seen as Holes in Space by British Scientist
A new idea of the constitution of space was presented when Dr. P.A.M. Dirac, twenty-five year old Cambridge physicist already famous in mathematical circles, announced to the British Association for the Advancement of Science at its recent meeting in Bristol his new theory that there is everywhere an infinite density of negative energy electrons.
Gone is the idea that there is absolutely nothing in a perfect vacuum, for