Figure 1: Muon detectors installed for Khufu’s Pyramid. Three techniques of cosmic-ray muon imaging were applied to investigate the inner structure of the pyramid. The known voids (the King’s chamber ...
With obesity reaching epidemic proportions in the U.S., some critics say it's the government's food pyramid that should go on a diet. The pyramid, dating from 1991, pictorially reflects the U.S.
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