Word: nucleus
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...public meetings to find enough adults to volunteer as Scout workers. In Philadelphia, confronted by parental apathy, an organizer learned that neighborhood youths had been swiping tools off Bell Telephone trucks. He staked out the company garage, caught several of them in the act, and made them the nucleus of a new troop...
Rainbow of Colors. To measure this tiny quantity-less than a millionth of the energy needed to split the nucleus of an atom-the scientists devised an ingenious technique. Light from a 200-watt mercury vapor lamp was focused on a diffraction grating, which, like a prism, broke up the beam into its constituent rainbow of colors, its separate wave lengths of light. By rotating the grating to a carefully calculated angle, the scientists were able to reflect light of a single, specific wave length at a target. Knowing the wave length, they were able to determine precisely the energy...
Ramsey participated in the discovery, some years ago, that the heavy hydrogen nucleus is egg-shaped rather than spherical. More recently, with other Harvard scientists, he has been working to determine the distribution of electrical charges within the proton. In 1960, his laboratory built the first atomic hydrogen maser, which could become the most accurate atomic clock in the world...
...improvement can be traced to a handful of sophomores who form the nucleus of this year's team. Power-hitting right fielder Tom Skenderian is currently riding a hot streak that has carried him
Coburn observed that "parochial and institutional loyalties" would present the largest obstacle to putting these plans into operation, but emphasized that Boston, with its complex of universities and technical centers, would be the ideal nucleus for such an experiment...