Word: continuum
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Dates: during 2000-2009
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...most important ideas of 20th century physics, relativity and quantum theory, were known to be fundamentally incompatible. Quantum theory describes the universe as intrinsically discontinuous: energy, for example, can come in bits just so small, but no smaller. Relativity treats time and space and gravity as a smooth, unbroken continuum. Each theory has its purposes, and they usually don't overlap. But when dealing with very large masses or time periods that are infinitesimally small, like the core of a black hole or the first moments after the Big Bang, neither quite works...
...again and so they have stories to tell; they become natural narrators, sitting together under a tree, smelling of dirt and sunscreen, comparing what being 8 or 12 or 16 means in Canton, or Fox Chapel, or Bronxville. But then in another violation of the school-year space-time continuum, my rising sixth grader can have as her best summer friend the neighbor across the street, who hikes and kayaks and became a grandmother this year. The sixth graders don't play with the seventh graders at school; but four decades is as nothing in the summertime...
...snapshot that represents a lineage at a convenient point. Every child has differences from its parents, and over a great number of generations some changes will spread through a population, owing to selective breeding. The fishapod is a valuable find as a missing link?another snapshot in a continuum of change. Robert Fraser Kingston, Canada...
...snapshot that represents a lineage at a convenient point. Every child has differences from its parents, and over a great number of generations some changes will spread through a population, owing to selective breeding. The fishapod is a valuable find as a missing link--another snapshot in a continuum of change. Understanding that such changes are constant should help people find common ground on evolution...
...younger physicians may have other advantages--like a fresher sense of the latest standards of care. Many doctors have concluded that there is something of a sweet spot on the age-education-experience continuum. They seek out clinicians who are no more than 10 years out of residency, old enough to have some mileage, young enough to be up to speed. There is actually some hard data for this rule. A review published last year in the Annals of Internal Medicine examined the connection between a doctor's years in practice and the quality of care he or she provided...