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    Weekend Editor (weekend_editor@mathstodon.xyz)'s status on Wednesday, 23-Apr-2025 05:17:17 JSTWeekend EditorWeekend Editor
    in reply to
    • Christian Lynbech
    • Alfred M. Szmidt

    @mapcar @amszmidt

    Ok, I'm actually old enough to have done that! It worked really well, but I was so frustrated in the moment I didn't take time to be glad about it.

    But basically, you've re-invented the old-time astronomy instrument called the blink comparator.

    https://en.wikipedia.org/wiki/Blink_comparator

    In conversationabout 9 days ago from mathstodon.xyzpermalink
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