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A comment on The Mattel Spinwelder was the coolest Christmas gift of the 1970s. Parent comment

Re:The Mattel Spinwelder was the coolest Christmas gift of t... by mlyle on Wednesday July 27, 2022 @12:15PM (#32252381)
It's a joke. The sig figs at the end is a clue, along with complete physical implausibility.

((1 mm)^2) * 1 gram * (((183 339 * 2 * pi) / second)^2) = 1 326.99551 joules

It would have 1300J of rotational energy if there was only 1 gram of spinning mass at 1 mm distance.

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Re:The Mattel Spinwelder was the coolest Christmas gift of t... by chowells on Wednesday July 27, 2022 @02:25PM (#32254455)
Not just the sigfigs, the juxtaposition of the word "about" with the excessive sigfigs. Combining a word indicating imprecision with excessive sigfigs is a very common American idiom to convey exaggeration. (Probably other places too, but I don't have firsthand experience with them.)
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