Could you recreate metric system from nothing?

You have been given a task to travel into the past two thousands years ago and bring the light of the metric system to the world. You cannot bring any external object with you.

Assume you do not need to redefine the second, and astronomical observations give the best possible results given the limits of timekeeping back then. Given the technology of the time, what is the best you can do for other units - either right there and then or leaving instructions how to calculate them from the units you have established to the future scientists? Memorizing the lengths of your body parts probably is not the best way to define a metre, and kilogram defined as one liter of water is bound to be influenced by the local water to a perceptible degree.

P. S. Tagged as "physics" but any approach is welcome - whether you would recommend measuring height of the mountain peaks, or believe that carob seeds are actually uniform enough to offer the best approximation of a kilogram.

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u/Ertata — 2 days ago

Are Netflix/Amazon versions "Evil Dragon Unleashed" or "On-air"?

Heard the reference to people saying they did not see shitting and wanking in the Ep. 1, so what I've got is probably "Evil Dragon", but want to make double-sure

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u/Ertata — 15 days ago
▲ 11 r/Sumo

How Tomokaze is so good while being so one-dimensional?

Acknowledgements: I know about his injury history and respect his struggle. This is not a critique of Tomokaze - it's wondering about his opponents.

So when you watch Tomokaze matches you basically know in advance what is he going to do - push forward for a while then pull back and use his height to slap his opponent down. It's not like the henka because you know it is coming sooner or later each match. I strongly suspect it is specifically his physical limitations that make hard for him to pull other moves, but in any case he does that one move over and over.

And yet the results speak for themselves - more than 3 years in a row in salaried ranks after his return, 6 basho in Makuuchi. I don't believe his opponents are scrubs by any measure.

So how they have not adapted to his ridiculously narrow style? Is it true you can hang in Juryo comfortably by practicing one slapdown 10 000 times? Or is it something that I am missing?

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u/Ertata — 21 days ago
▲ 4 r/Horses

Abstract question about euthanasia after leg breaks

So I basically have no in-depth knowledge of horses but got interested recently (you can guess why).

I know that a lot of times if the chances of a horse's broken leg healing are slim or none it is euthanized. It has been that way for all known history. Yet for entirety of history people had "tripod" cats and dogs.

So in abstraction - if a well-off person wanted to keep a horse with non-functional or amputated leg alive can it be done in good conscience? Or would it suffer further health complications (if so, why)? In more general sense and without trying to take a stance here - is euthanasia for unhealing breaks mostly done for economical and cultural reasons or is it because of underlying biological reality and keeping three-legged horse alive would be considered fate worse than (painless) death?

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u/Ertata — 2 months ago
▲ 10 r/Fantasy

Fantasy/SF with significant amount of text spelled phonetically.

Read Feersum Endjinn yesterday, deciphering the quarter of the book written "foneticly" to quote the book was an interesting distraction. Any other quality SF or Fantasy that employs significant amount (not just couple of characters' speech) of phonetic or otherwise non-standard spelling of English?

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u/Ertata — 2 months ago