Letters to the editors for the June 2023 issue of Scientific American
THE CIRCULAR STATE OF PI “Mimicking Matter with Light,” by Charles D. Brown II, discusses a phase of matter called a Bose-Einstein condensate acquiring a geometric phase, “a term in the mathematical description of its quantum phase that determines how it evolves.” The article mentions the BEC picking up a geometric phase of pi in one experiment, and it shows a full circle in an accompanying graphic. Later it depicts a phase of 2π with two full circles.
PRIMAL POLITICS In “Divided Mindset” , Jer Clifton discusses his research finding that liberals and conservatives have fundamentally different beliefs about whether the world is inherently hierarchal. The article resonated with my own effort to understand the growing, and destructive, divide among free people. I would add that one especially significant dividing line that liberals see as blurry and conservatives see as well defined is the boundary between “us” and “them.
Many radiologists need to be updated on these developments because they still believe that spinal imaging is all about spine degeneration. This can lead to unnecessary treatments because degenerative changes that are normal for age can be identified as abnormal and suspected to be the cause of a patient's complaints.
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