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    • Readers Respond to the March 2024 Issue

      Scientific American· 7 hours ago

      The box text notes that the sun’s core is 15 million K, and I wonder how that plasma can be about five million K hotter when the core is the main source of the sun’s energy production. Boyle ...

    • Look Out Hubble And Webb, Here Comes Roman

      PhotonicsOnline· 7 days ago

      The Nancy Grace Roman Telescope is set to launch by May 2027. Nancy Grace Roman, Ph.D., passed away in Germantown, MD, on December 25, 2018, after a long illness at 93. Roman was, according ...