Are you able to clear up it? One other sport of brutal genius from South Korea | Science

Right now’s three challenges are from Han Dongkyu, a gifted younger puzzle designer from South Korea. The primary two will heat you up for the third, which might be essentially the most beautiful instance of a dissection puzzle I’ve ever seen. Put together to be awed – and have your mind twisted inside out.

1. Librarian’s Nightmare Half I

Divide the form beneath, which seems to be like an open e book, into two an identical items. (In different phrases, if the form was made from paper, how do you narrow it so that you simply get two an identical items with no further materials left over. Items could also be flipped over.)

The dotted strains are drawn solely to point the size of the form. Click on right here if you wish to print out the picture. Illustration: Han Dongkyu

Now divide the form into three an identical items.

2. Librarian’s Nightmare Half II

Divide the next form (the e book and the palms) into two an identical items. Once more, the items could also be flipped over.

The dotted lines are drawn only to indicate the dimensions of the shape.
The dotted strains are drawn solely to point the size of the form. Click on right here if you wish to print out the picture. Illustration: Han Dongkyu

These first two had been variations on puzzles you will have seen earlier than. The subsequent one takes the style to the following degree. It’s a particularly ingenious tackle castling in chess. Marvel at its humour and magnificence – and better of luck!

3. Castling

Minimize the primary form beneath into two items, in such a manner that they are often rearranged to make the second form. The items could be flipped.

Screenshot 2021-10-03 at 09.39.17
Illustration: Han Dongkyu

Isn’t it sensible? So intelligent.

If you need to print out a duplicate of those puzzles, on which to attract the cuts, this hyperlink is to a pdf. The pdf additionally accommodates some hints on learn how to clear up them.

I’ll be again at 5pm UK with the options. PLEASE NO SPOILERS

Han Dongkyu is a scholar on the Ulsan Nationwide Institute of Science and Know-how, majoring in Pc Science & Engineering. His web site is

LLPB paperback

In different South Korea information, on Saturday October 9 the nation celebrates Hangul Day, an annual vacation that celebrates Hangul (한글), the writing system used for the Korean language, which was devised within the fifteenth century by a workforce of students and is broadly praised by linguists as essentially the most excellent and scientific script in frequent use on the planet. I’m not conscious of one other nation that celebrates its writing system with a public vacation, so three cheers for South Korea and Hangul! Forgive me the blatant plug, however in case you are focused on discovering out why the script is so superb, and tackling a puzzle through which you could decipher some frequent Korean phrases, you’ll discover one in The Language Lover’s Puzzle Guide, my most up-to-date e book, which is out in paperback this week.

I set a puzzle right here each two weeks on a Monday. I’m at all times on the look-out for nice puzzles. If you need to recommend one, e mail me. I additionally give faculty talks about maths and puzzles (restrictions permitting). In case your faculty is please get in contact.

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