/u/Clevererer's posts

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At noon on Dec. 21 a beam of sun shines through a window. It lights up spot X on the center of an adjacent wall. We know the Lat-Lon and elevation of the window and wall. Can we predict where on the wall the sunlight would strike for any given time and day of the year? With what degree of precision?

56 upvotes • r/askscience

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Any thoughts? Feedback? Suggestions? TIA!

8 upvotes • r/surrealism

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When and how did the 12-animals of the Chinese Zodiac become part of Chinese culture? Were they imported from Central Asia?

6 upvotes • r/AskHistorians

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Are there any fabrics that act similar to one-way mirrors? Not necessarily reflective, but just blocking more/most light coming from one direction.

3 upvotes • r/askscience

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How would this be made?

1 upvotes • r/askscience

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If I use a cable to bend a 15' vertical thin metal pipe into a slight bow shape, and secure it upright only at the base, could that otherwise bendable pipe be strengthened against a horizontal load at the very top?

1 upvotes • r/askscience

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Title	Upvotes	Subreddit	Mark as read	Favorited	Rating	Add to a list
At noon on Dec. 21 a beam of sun shines through a window. It lights up spot X on the center of an adjacent wall. We know the Lat-Lon and elevation of the window and wall. Can we predict where on the wall the sunlight would strike for any given time and day of the year? With what degree of precision?	56	askscience
Any thoughts? Feedback? Suggestions? TIA!	8	surrealism
When and how did the 12-animals of the Chinese Zodiac become part of Chinese culture? Were they imported from Central Asia?	6	AskHistorians
Are there any fabrics that act similar to one-way mirrors? Not necessarily reflective, but just blocking more/most light coming from one direction.	3	askscience
How would this be made?	1	askscience
If I use a cable to bend a 15' vertical thin metal pipe into a slight bow shape, and secure it upright only at the base, could that otherwise bendable pipe be strengthened against a horizontal load at the very top?	1	askscience