https://www.nist.gov/news-events/news/2022/05/custom-headphones-boost-atomic-radio-reception-100-fold [https://www.nist.gov/sites/default/files/images/2022/04/26/IMG_9926-crop.jpg]<https://www.nist.gov/news-events/news/2022/05/custom-headphones-boost-atomic-radio-reception-100-fold> Custom ‘Headphones’ Boost Atomic Radio Reception 100-Fold<https://www.nist.gov/news-events/news/2022/05/custom-headphones-boost-atomic-radio-reception-100-fold> The structure — a square overhead loop connecting two square panels — increases the incoming radio signal, or electric field, applied to the gaseous atoms in the flask (known as a vapor cell) between the panels. www.nist.gov
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