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A comment on Mysterious object is being dragged into the black hole at the Milky Way’s center. Parent comment

Re:Mysterious object is being dragged into the black hole at... by chongli on Saturday February 25, 2023 @05:30PM (#34941106)
When you look at anything you are seeing what it looked like at least a few hundred picoseconds (very close to your face) to several nanoseconds (around the room you’re in) in the past. The difference here is a matter of degree, not kind.
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Re:Mysterious object is being dragged into the black hole at... by bcbrown on Saturday February 25, 2023 @05:48PM (#34941250)
Light travels a foot per nanosecond, more or less. I believe this can be a real constraint in IC/motherboard designs with gigahertz+ clock speeds.
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