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wtg
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posted
quote:
A Child’s Puzzle Has Helped Unlock the Secrets of Magnetism

People have known about magnets since ancient times, but the physics of ferromagnetism remains a mystery. Now a familiar puzzle is getting physicists closer to the answer.


(geek alert)



https://getpocket.com/explore/...source=pocket-newtab


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When the world wearies and society ceases to satisfy, there is always the garden - Minnie Aumônier

 
Posts: 38216 | Location: Somewhere in the middle | Registered: 19 January 2010Reply With QuoteReport This Post
wtg
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I remember having one of those 15 square puzzles...



https://www.cs.brandeis.edu/~s...AGES/zzzFifteen.html

Now the puzzle is available as an app. Big Grin

https://play.google.com/store/...ndici&hl=en_US&gl=US

I feel old.


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When the world wearies and society ceases to satisfy, there is always the garden - Minnie Aumônier

 
Posts: 38216 | Location: Somewhere in the middle | Registered: 19 January 2010Reply With QuoteReport This Post
CHAS
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Read enough of the article to know I could spend weeks reading it and never understand it.


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Several people have eaten my cooking and survived.

 
Posts: 25850 | Location: Still living at 9000 feet in the High Rockies of Colorado | Registered: 20 April 2005Reply With QuoteReport This Post
Axtremus
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Originally posted by wtg:

https://getpocket.com/explore/...source=pocket-newtab
Nice!


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www.PianoRecital.org -- my piano recordings -- China Tune album

 
Posts: 12732 | Registered: 01 December 2006Reply With QuoteReport This Post
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