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A comment on A Boy and His Atom: Smallest Stop-Motion Film [video].
https://avsteele.com/index.html#science (scroll down a little)
Each dot is fluorescence from a single trapped barium ion. Excitation/fluorescence is at 493 nm, so the false-color map in the video is almost realistic.
More details are in the figure caption.
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https://avsteele.com/index.html#science (scroll down a little)
Each dot is fluorescence from a single trapped barium ion. Excitation/fluorescence is at 493 nm, so the false-color map in the video is almost realistic.
More details are in the figure caption.