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Science

4dog

(531 posts)

8. Thanks, Jim, for adding that remarkable picture. On a tangent,

Reply to Jim__ (Reply #7)

Mon Apr 3, 2023, 07:34 PM

Apr 2023

and if participants will forgive me for nudging this thread into shallower waters, I am curious if there is a name for a quadrilateral shape that I encounter in buildings built, I believe mostly in the 1970s. This is found in windows with two right angles at the bottom and usually 45 and 135 deg angles at the top, though it could be A and its supplement. Any thoughts?

Inspired by the rarely defined but fairly intuitive "kite" in the article.

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Highlight:

The Collapse of the Wave Function and Origins of Consciousness: A Conversation with Roger Penrose [View all] NNadir Apr 2023 OP

You woul think... JackSabbath Apr 2023 #1

Thanks for the link, and the recollection 4dog Apr 2023 #2

He was close to 90 when I met him. NNadir Apr 2023 #5

fascinating mike_c Apr 2023 #3

Penrose continues to be a leading light (or at least a different one) in so many areas. erronis Apr 2023 #4

Do you have a link for that tiling? 4dog Apr 2023 #6

Here are 2 links - to a brief description and to the 89 page paper on arXiv Jim__ Apr 2023 #7

Thanks, Jim, for adding that remarkable picture. On a tangent, 4dog Apr 2023 #8

You're welcome 4Dog. But, I don't know anything about that quadrilateral shape. Jim__ Apr 2023 #9

Well, the hat tile unexpectedly dropped into my mailbox today 4dog Apr 2023 #10