this post was submitted on 25 Feb 2025
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[–] [email protected] 58 points 4 days ago (3 children)

Of course the information gathered is faulty, they're measuring 3mm changes with a tape measure

[–] [email protected] 37 points 3 days ago (2 children)

My tape measure has millimeter divisions? In fact til 5cm (I think, might be 10. I'll check tomorrow) it has 0.5 mm lines too.

I mean I would use another tool probably, but if I only had my tape measure it would do unless the changes are smaller than like 0.25 mm.

[–] [email protected] 1 points 1 day ago

Agreed. For those not using metric, tape measures usually have 16ths of an inch which is 1.5 mm, and you can easily measure down to 32nds.

[–] [email protected] 24 points 3 days ago

Oh mine too, but that doesn't make it the right tool for the job.

[–] [email protected] 7 points 3 days ago (1 children)

Metric tape is good to ~1mm +/- 0.5 in my experience.

[–] [email protected] 5 points 3 days ago (1 children)

I would trust it that far for flat, square pieces of metal; not for an irregular shape with a rounded tip, mounted to an irregular rounded surface. For this use I'd want a steel ruler at minimum.

[–] [email protected] 1 points 2 days ago (1 children)

wouldn't it be even better to measure the force the nose pushes with? it's easy to quantify and the apparatus could be a fixed mount on the head - hook it up to a raspberry pi which reads out a list of questions, records the answer and the nose output for further analysis!

[–] [email protected] 2 points 2 days ago

There are certainly a number of accurate measurement techniques. I simply mentioned my personal minimum.

[–] [email protected] 7 points 3 days ago (1 children)

That's very easily very accurate.

[–] [email protected] 2 points 3 days ago

Only for a much looser definition of "very" than I seek in regards to the scientists asking the kinds of questions they are.