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Posted: Tue Apr 16, 2019 4:26 am
by peter
We make it work heuristically?

Posted: Tue Apr 16, 2019 3:11 pm
by Vraith
peter wrote:We make it work heuristically?

I wouldn't apply the word that way, feels not quite right to me...but I suppose it technically fits some aspects of it, at least in initial choice, when we're, say, first trying to explore a 4D space---we know some 3D things will transfer/continue, some won't, we guestimate/extrapolate/intuit to get started.
And when "close enough" is really "close enough." Technically, the shape of the Earth has some effect on how we should build tall buildings...but we use just ordinary planar maths to do it...cuz the results are "close enough,"---the effects of difference negligible.
But the closer one builds to a black hole, the more that curved space starts to matter...pretty quickly planar math won't work at all.

Posted: Wed Apr 17, 2019 1:00 am
by Skyweir
Wow brilliant input and discussion from everyone 8O :biggrin:

As for me, it adds to my appreciation of the representational pictography. I mistakenly believed the pic itself was a photograph 🤷‍♀️ cos meh .. didnt know any better.

Very clever peeps 😎