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[-] bstix@feddit.dk 111 points 6 months ago

Easy. Take a wire that is exactly 1 meter long. Form a circle from the wire. The circumference of that circle is 1 meter.

[-] funkless_eck@sh.itjust.works 17 points 6 months ago

"exactly"

uh huh. and how are you measuring that?

[-] lemmyman@lemmy.world 30 points 6 months ago

Now the engineers and/or scientists are crying

[-] Incandemon@lemmy.ca 4 points 6 months ago

Scientists maybe, engineering is all about calling things close enough.

[-] HopFlop@discuss.tchncs.de 19 points 6 months ago

You don't need to, it's defined. (Lol). If you take a circle with a circumference of 1, then its circumference will be 1... I think I might have lost some braincells reading this.

[-] Kill_John_Lennon@lemmy.world 3 points 6 months ago

He obviously meant to say how do you measure that it’s exactly 1m, even when still in a straight line. Exactly being the key word here.

[-] hesdeadjim@lemmy.world 2 points 6 months ago

But is the circumference of the outer circle or inner circle 1m? The wire has a nonzero width.

[-] Blue_Morpho@lemmy.world 13 points 6 months ago

I don't have to measure it. I stick under glass and define it as the standard which all other measurements are derived from.

[-] bstix@feddit.dk 11 points 6 months ago

I will be measuring it in meters. One. There you go.

[-] MxM111@kbin.social 7 points 6 months ago

Ok, you got another source of water - physicists.

[-] ColeSloth@discuss.tchncs.de 2 points 6 months ago
[-] RampantParanoia2365@lemmy.world 3 points 6 months ago

Exactly. Use a laser measure to cut a plank, then use that for reference!

[-] RampantParanoia2365@lemmy.world 1 points 6 months ago

Laser Measure.

this post was submitted on 14 Mar 2024
670 points (93.1% liked)

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